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OpenStudy (briannabug):
OpenStudy (freckles):
there are 4 triangles and 1 square
you find the area of each of these and add to find the surface area
OpenStudy (freckles):
for square you just do base^2 or if you want to call it length^2 you can
OpenStudy (freckles):
is let's look at the square on bottom
what is the length of one of its sides?
OpenStudy (briannabug):
5?
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OpenStudy (freckles):
are you looking the square on the bottom?
or are you looking at the height of one of the triangles?
OpenStudy (freckles):
|dw:1455391164960:dw|
OpenStudy (freckles):
|dw:1455391191989:dw|
OpenStudy (freckles):
we are finding the are of this square they have there
OpenStudy (briannabug):
Okay
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OpenStudy (freckles):
so what is the area of the square
OpenStudy (briannabug):
10
OpenStudy (freckles):
so when you did 2.5 times 2.5 you got 10?
OpenStudy (freckles):
the area of any square is length^2
OpenStudy (hwyl):
:)
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OpenStudy (freckles):
2.5 times 2.5 isn't 10
OpenStudy (briannabug):
I know that I did 2.5 times 4 because there is 4 sides :)
OpenStudy (hwyl):
\(2.5 \times 2.5 = (2.5)^{2} \neq 10 \)
OpenStudy (freckles):
that is finding the perimeter of the square
we want the area
OpenStudy (hwyl):
AREA IS THE GEOMETRICAL VALUE OF A "SQUARED" OR AN EXPONENT OF 2
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OpenStudy (freckles):
anyways once we find the area of the square we need to find the area of one the triangles and multiply that result by 4 since we have 4 of those triangles