Geometry
18 Online
OpenStudy (anonymous):
how do i find the area of a hexagon (whats the formula)
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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?
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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
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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
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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 :)
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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|
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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