document.write( "Question 822755: If the area of the base of a square pyramid is 28 sq. cm and the total surface area is 64sq. cm, explain how to find the area of one triangular face.
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Algebra.Com's Answer #495063 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "If the area of the base of a square pyramid is 28 sq. cm and the total surface area is 64sq. cm
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document.write( "find the area of one triangular face.
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document.write( " 64cm^2 - 28cm^2 = 36cm^2, the sum of the areas of all of the triangular faces. 
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document.write( " there are 4 faces, all the same size:
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document.write( "  36cm^2/4 = 9cm^2, is the area of one triangular face.
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