exam Maths Puzzle Numerical Ability

sorry just dont get it, can anyone help, q = square root A over 4, i have to find the value of A.

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exam Other Question

The area of a rectangle is 24 square meters. Find the length and width of the rectangle if its length is 2 meters greater than its width. Use an equation and the formula ® area of a rectangle = (width)(length). The lengths of the sides of a triangle are consecutive odd integers. Find the length of the shortest side if the perimeter is 19 units shorter than four times the length of that side