Question

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A square board has an area of 144 sq. units. How long is each side of the board?
a) 11 units b) 12 units c) 13 units d) 14 units​

Answer 1

Area of square = side × side

Area of square =144cm^2

Equating values

Side^2 = 144

Side = 12

Then option b is correct that is 12 units.

Answer 2

Area of square = (side) ²

144 = s²

Therefore, S=12 units

Option B is the write one.