Question

A square Box lid has an area of 40 Square inches Which is the best estimate Of the length of one side.
(A) 6.0 inches
(B) 6.3 inches
(C) 6.5 inches
(D) 7.0 inches

Answer 1

Area is L x W and being a square, the length and width would have to be the same, so L x W = 40 and the answer would be the best estimate and while 6.5 is 42.25, it’s not as close as 6.3 39.69


The answer is B-6.3

Answer 2

Length of one side is 6.3 inches

Given that;

Area of square box lid = 40 Square inches

Find:

Length of one side

Computation:

Area of square = Side²

Area of square box lid = 40 Square inches

Length of one side = √Area of square box lid

Length of one side = √40

Length of one side = 6.32

Length of one side = 6.3 inches (Approx.)

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