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OpenStudy (anonymous):
A square pyramid has a total surface area of eight hundred square feet. The area of the base is four hundred square feet. What is the area of one triangular face of the lateral surface? A. 50ft B. 100ft C. 150ft D. 200ft
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OpenStudy (notamathgenius):
A=2bs+b^2
OpenStudy (mathstudent55):
How many triangular faces does a square pyramid have?
OpenStudy (anonymous):
800
OpenStudy (anonymous):
@mathstudent55 |dw:1363637717316:dw|
OpenStudy (anonymous):
the total surface area is 800 and base area =400 so area of 4 triangles = 800-400 so let each triangle b x so 4x =400 x=100 ans. wil be 100
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OpenStudy (anonymous):
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