What is the measure of one side of the square if the area is a²- 168 + 64 square units ?
a.(a+8)units
b.(a-8)units
c.(a+64)units
d.(a-64)units
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Area of square field = 64 b^16
one side of square = √ area
one side of square = (64 b^16)^1/2
= √64 * b^16*1/2
= √64 * b^16/2
= 8 * b^8
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