A square sand box has an area of 75 square feet . Estimate the length of one of the sides of the sand box
A square sand box has an area of 75 square feet .
Estimate the length of one of the sides of the sand box
8 squared is 64
9 squared is 81
So the answer is between 8 and 9.
Refine this further. Check halfway between them.
8.5 is easy to square. 8.52 = 72.25
So the answer is between 8.5 and 9 That's what they call an "estimate"
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