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OpenStudy (anonymous):
The surface area of this pyramid is 189 square cm The area of the square base is 49 square cm. What is the area of one triangular face of the lateral surface? Show the steps of your solution and explain your work.
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OpenStudy (anonymous):
OpenStudy (anonymous):
A square pyramid is formed by a square base and four triangular faces surface area of pyramid = area of square + 4(area of triangle) 189 = 49 + 4(area of triangle) area of triangle = (189 - 49) /4 = 140/4 = 35 square cms
OpenStudy (anonymous):
Um ok.
OpenStudy (anonymous):
what
OpenStudy (anonymous):
Nothing.
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OpenStudy (primeralph):
lol
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