SOLUTION: A square has an area of 81 square inches. find the length of the sides, and the length of the diagonal
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Question 931853: A square has an area of 81 square inches. find the length of the sides, and the length of the diagonal
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
side length:
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aa = 81
a = sqrt( 81 )
a = 9 inches
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diagonal:
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d = sqrt( aa + aa )
d = sqrt( 2aa )
d = sqrt( 2aa )
d = sqrt( 2 ) * sqrt( aa )
d = sqrt( 2 ) * 9
d = 1.41421356237 * 9
d = 12.7279220613 inches
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