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 02-21-2006, 05:50 PM #1 beautiful-green-beast Shiddy-Chicken     Join Date: Nov 2005 Location: Check your trash can. Age: 22 Posts: 1,641 Thanks: 0 Thanked 0 Times in 0 Posts Geometry Homework Help..... I SERIOUSLY need some help, I'll post the questions and if anyone can help me, it would greatly be appreciated.... 1.)Use the forumal A=1/2bh for the area of a triangle to develop formulas for the area of (a) a paralleogram, and (b) a trapezoid. 2.)Find the area and the perimeter if each polygon. a.)square with radius 1 b.)regular hexagon with apothem 1 3.)Iaminge a regula polygon with many sides-20, 50, or even 100. a.)What does such a figure approximate? b.)If the polygon were inscribed in a circle, explain the relationship between the apothem (a) and the radius (r), and between the perimeter (p) and the circumference (C) c.)Discuss the connection between the area of the polygon, A = 1/2ap, and the area of the circle, A = pie (r) squared __________________ "The world will look up and shout 'Save us'. And I'll whisper...no." -Rorschach Last edited by beautiful-green-beast; 02-21-2006 at 07:31 PM.

 02-21-2006, 06:04 PM #2 lilxvietxgurlx Ánh Sao Tình Yêu!     Join Date: Jun 2005 Location: ♥Unkown World♥ Posts: 845 Thanks: 0 Thanked 8 Times in 7 Posts i know all of this stuff.. it would be great if u let us know the direction more details, and what chapter is it on? __________________ ♥♥♥♥♥♥.................... ·´`·.(*·.¸(`·.¸ ¸.·´)¸.·*).·´`·...................... ..................·´¨*·.¸¸.*Woof ♥<3*.¸¸.·*¨`·.................... .................... ·´`·.(¸.·´(¸.·* *·.¸)`·.¸).·´`·...................... ................................ *(¨`·.·´¨)* ................................ .................................... `·.¸.·´................................. ... ♥Hemelilious, Artanilicuous<3♥.
 02-21-2006, 07:20 PM #3 Tom DRAMA!!!     Join Date: Nov 2004 Location: Illinois Age: 23 Posts: 502 Thanks: 0 Thanked 3 Times in 3 Posts LOL way too easy __________________
02-21-2006, 07:31 PM   #4
beautiful-green-beast
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Quote:
 Originally Posted by lilxvietxgurlx i know all of this stuff.. it would be great if u let us know the direction more details, and what chapter is it on?
sorry, that's all the instructions she gave us, it's all from Chapter 7, Area, or at least in my book, lol

Quote:
 Originally Posted by Tom LOL way too easy
Then can you give me the answers? My grade seriously depends on this, this is a take home test
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 02-21-2006, 07:34 PM #5 lilxvietxgurlx Ánh Sao Tình Yêu!     Join Date: Jun 2005 Location: ♥Unkown World♥ Posts: 845 Thanks: 0 Thanked 8 Times in 7 Posts i would love to help u.. but give u the answer isn't my style and yes like Tom say.. is way easy __________________ ♥♥♥♥♥♥.................... ·´`·.(*·.¸(`·.¸ ¸.·´)¸.·*).·´`·...................... ..................·´¨*·.¸¸.*Woof ♥<3*.¸¸.·*¨`·.................... .................... ·´`·.(¸.·´(¸.·* *·.¸)`·.¸).·´`·...................... ................................ *(¨`·.·´¨)* ................................ .................................... `·.¸.·´................................. ... ♥Hemelilious, Artanilicuous<3♥.
 02-21-2006, 07:36 PM #6 coconaught Genin     Join Date: Jan 2005 Location: in your room Age: 25 Posts: 282 Thanks: 1 Thanked 2 Times in 2 Posts I guessed my way through geo...and still passed with a A-...it's not that hard...just learn the formulas and B.S. your way through the rest...and if it's a test I'm not going to help you... __________________ 1.14.20.9 - 1.14.20.9 - 1.14.20.9 - 14.15.15.2 >.> due to someone screwing over the sig length no one is allowed on my list anymore unless I say so... Cool People: Swt, 6n6, angelwings, shnannerz, khari, Kites *sakura*, lily, oakygirl, Lorene, ImpulseSeed, DSM, lilxvietxgurlx, Goku 100, I, DSM, was here... the end =D
02-21-2006, 07:41 PM   #7
beautiful-green-beast
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 Originally Posted by lilxvietxgurlx but give u the answer isn't my style
Alright, I'll try it your way. So far I tried working out the first one, and since you can tessellate two triangles, I figured you could make a parallelogram out of it. So what I came up with was to multiply the base and the height times 2, and then multiply the 1/2 by two, but that makes one whole, so I didn't know if that was right
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 02-21-2006, 07:43 PM #8 lilxvietxgurlx Ánh Sao Tình Yêu!     Join Date: Jun 2005 Location: ♥Unkown World♥ Posts: 845 Thanks: 0 Thanked 8 Times in 7 Posts okie but what number are u talking about? i solve all of them already.. you could try to solve it first the i'll help u out with waht u don't get it k? __________________ ♥♥♥♥♥♥.................... ·´`·.(*·.¸(`·.¸ ¸.·´)¸.·*).·´`·...................... ..................·´¨*·.¸¸.*Woof ♥<3*.¸¸.·*¨`·.................... .................... ·´`·.(¸.·´(¸.·* *·.¸)`·.¸).·´`·...................... ................................ *(¨`·.·´¨)* ................................ .................................... `·.¸.·´................................. ... ♥Hemelilious, Artanilicuous<3♥.
 02-21-2006, 07:46 PM #9 OffTheChain ☆     Join Date: Feb 2005 Posts: 8,963 Thanks: 0 Thanked 5 Times in 5 Posts I'd love to help you, however i think someone is about to write the answer at this very moment i post this..(i read minds) what grde are you in? Geometry we learn a lil late here (grade/year 9-10) but it still is easy
 02-21-2006, 07:47 PM #10 beautiful-green-beast Shiddy-Chicken     Join Date: Nov 2005 Location: Check your trash can. Age: 22 Posts: 1,641 Thanks: 0 Thanked 0 Times in 0 Posts @-OTC, Well, over here we learn it at 10 grade, but I'm learning it at 8th...stupid advanced placment >.> The first one It says to form an eqaution for a paralleogram, and what I posted above is the farthest I thought up of. The only problem I had was whether or not to multiply the 1/2 by 2 like I did with the base and the height __________________ "The world will look up and shout 'Save us'. And I'll whisper...no." -Rorschach
02-21-2006, 07:48 PM   #11
Inuzuka_Riyo
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Quote:
 Originally Posted by beautiful-green-beast I SERIOUSLY need some help, I'll post the questions and if anyone can help me, it would greatly be appreciated.... 1.)Use the forumal A=1/2bh for the area of a triangle to develop formulas for the area of (a) a paralleogram, and (b) a trapezoid. 2.)Find the area and the perimeter if each polygon. a.)square with radius 1 b.)regular hexagon with apothem 1 3.)Iaminge a regula polygon with many sides-20, 50, or even 100. a.)What does such a figure approximate? b.)If the polygon were inscribed in a circle, explain the relationship between the apothem (a) and the radius (r), and between the perimeter (p) and the circumference (C) c.)Discuss the connection between the area of the polygon, A = 1/2ap, and the area of the circle, A = pie (r) squared
1) a. a parallelogram is basically two triangles put together, so its just b x h

b. an trapezoid is kind of like a triangle, but the top has a side too, so its 1/2(b1 + b2)h (b = bottom base and top base)

2)a. if the square has a radius of one (i hope u know what it looks like drawn, cuz then this wont make sense) u can draw a line from the center of the square to one of the corners on the same side where the radius hits, forming a right triangle, then using the 30-60-90 triangle rule, solve for the length of the side of the triangle that would be the square, then double it cuz the lenght u found is only half of the square, then use the length found to find the area and perimeter

b.same principle as in 'a', but the triangle will be different, so a diff rule will need to be used to find the 1/2 length of one of the sides of the hexagon (which would be the side of one of the triangles)

3) meh, im to tired from typing to explain that one, maybe later
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Quote:
 Originally Posted by G RIZZY SPEAKS TRUTH

 02-21-2006, 07:51 PM #12 lilxvietxgurlx Ánh Sao Tình Yêu!     Join Date: Jun 2005 Location: ♥Unkown World♥ Posts: 845 Thanks: 0 Thanked 8 Times in 7 Posts let's do this way is easier.. u don't have to multiply it.. since is 1/2 that means they asking for the half of the number for example: my triangle have 1 leg is 2, 1 leg is 6, and the base is 5 and the forumlar is A=1/2bxh so i would find out the half of 2 (which is one) then multiply by 5 and muptiply by 5.. then equal the the answer __________________ ♥♥♥♥♥♥.................... ·´`·.(*·.¸(`·.¸ ¸.·´)¸.·*).·´`·...................... ..................·´¨*·.¸¸.*Woof ♥<3*.¸¸.·*¨`·.................... .................... ·´`·.(¸.·´(¸.·* *·.¸)`·.¸).·´`·...................... ................................ *(¨`·.·´¨)* ................................ .................................... `·.¸.·´................................. ... ♥Hemelilious, Artanilicuous<3♥.
 02-21-2006, 07:53 PM #13 beautiful-green-beast Shiddy-Chicken     Join Date: Nov 2005 Location: Check your trash can. Age: 22 Posts: 1,641 Thanks: 0 Thanked 0 Times in 0 Posts Thanks Inu, I get no.2. The problem with no.1 is that it says to use the triangle formula for a parallelogram, so I think that b x h is too simple, there must be a catch. EDIT: Wait sec lilx I'm still reading it lol. EDIT:Alright I get it so far, but my mom is making me go with her to the pharmacy, I'll have to thank you very much for your help lilxv. but I have to leave. thanks ^^ __________________ "The world will look up and shout 'Save us'. And I'll whisper...no." -Rorschach Last edited by beautiful-green-beast; 02-21-2006 at 08:00 PM.
 02-21-2006, 07:58 PM #14 lilxvietxgurlx Ánh Sao Tình Yêu!     Join Date: Jun 2005 Location: ♥Unkown World♥ Posts: 845 Thanks: 0 Thanked 8 Times in 7 Posts sure take your time __________________ ♥♥♥♥♥♥.................... ·´`·.(*·.¸(`·.¸ ¸.·´)¸.·*).·´`·...................... ..................·´¨*·.¸¸.*Woof ♥<3*.¸¸.·*¨`·.................... .................... ·´`·.(¸.·´(¸.·* *·.¸)`·.¸).·´`·...................... ................................ *(¨`·.·´¨)* ................................ .................................... `·.¸.·´................................. ... ♥Hemelilious, Artanilicuous<3♥.
02-21-2006, 08:00 PM   #15
Inuzuka_Riyo
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Quote:
 Originally Posted by beautiful-green-beast Thanks Inu, I get no.2. The problem with no.1 is that it says to use the triangle formula for a parallelogram, so I think that b x h is too simple, there must be a catch. EDIT: Wait sec lilx I'm still reading it lol.
no, no catch, a parallelogram is in essence, 2 triangles put together, so there is no 1/2 b/c ur doubling the triangle...
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Quote:
 Originally Posted by G RIZZY SPEAKS TRUTH

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