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Geometry 18 Online
OpenStudy (anonymous):

how do i find the area of a hexagon (whats the formula)

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (zale101):

A=1/2aP P=perimeter s=sides h=altitude Hope i helped you :)

OpenStudy (anonymous):

what does ap mean in the formula what does it stand for?

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

so you want the surface area of this? or volume?

OpenStudy (anonymous):

total area

jimthompson5910 (jim_thompson5910):

ok each lateral face is a triangle that looks like this |dw:1363219248008:dw|

jimthompson5910 (jim_thompson5910):

what's the area of that triangle?

OpenStudy (anonymous):

I have no clue how do I find that:/ what the formula

jimthompson5910 (jim_thompson5910):

use A = b*h/2

OpenStudy (anonymous):

do I use the pathagoram theory

jimthompson5910 (jim_thompson5910):

b = base h = height

OpenStudy (anonymous):

oh okay

OpenStudy (anonymous):

24

jimthompson5910 (jim_thompson5910):

cut that in half

OpenStudy (anonymous):

12

jimthompson5910 (jim_thompson5910):

there are 6 of these triangles, so the lateral area is 6*12 = 72

OpenStudy (anonymous):

no I already cut it in half it orignaly equaled 48

jimthompson5910 (jim_thompson5910):

how did you get 48? A = b*h/2 A = 4*6/2 A = 24/2 A = 12

OpenStudy (anonymous):

oh its 4 times six I gotcha I did 8 times 6 I was confused but I get it noe thanks :)

OpenStudy (anonymous):

okya I have one more I need help with

jimthompson5910 (jim_thompson5910):

the last thing you need is the area of the hexagon

OpenStudy (anonymous):

total area of this one

OpenStudy (anonymous):

I will show you I understand while you figure this one out

jimthompson5910 (jim_thompson5910):

|dw:1363219662968:dw|

jimthompson5910 (jim_thompson5910):

we're not done with the last one though lol

jimthompson5910 (jim_thompson5910):

|dw:1363219724406:dw|

jimthompson5910 (jim_thompson5910):

|dw:1363219737950:dw| i didn't draw it to scale, but each triangle shown above is an equilateral triangle

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