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OpenStudy (anonymous):
https://media.studyisland.com/pics/185151pic4.png
Sam created a porch that was part wooden and part concrete, as shown in the figure below.
Note: Figure not drawn to scale
If a = 21 ft, b = 28 ft, and c = 35 ft, what is the total area of the porch? Assume that the wooden part is a right triangle and the concrete part is a square.
A. 1,715 ft2
B. 217 ft2
C. 119 ft2
D. 1,519 ft2
OpenStudy (anonymous):
@sleepyjess @math&ing001 @mayankdevnani
OpenStudy (sleepyjess):
Find the area of each shape then add them together
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
i got c.
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OpenStudy (sleepyjess):
First, what is the area of the square?
OpenStudy (math&ing001):
Can't be C, what did you get for the area of the triangle ?
OpenStudy (anonymous):
70 for the square
OpenStudy (sleepyjess):
You need to multiply, not add
OpenStudy (math&ing001):
Area of square is c*c not c+c
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OpenStudy (anonymous):
sorry then its 1225
OpenStudy (sleepyjess):
Yes, and now for the triangle?
OpenStudy (anonymous):
588
OpenStudy (math&ing001):
area of triangle is a*b/2
OpenStudy (anonymous):
294??
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