Question

Find the perimeter and area of the following square, the length of whose sides are : questions no 3 12 meters 4 centimetres.

Answer 1

$perimeter = 2(l + b) \\ = 2(12.4 + 12.4) = 2 \times 24.8 = 49.6 {m } \\area \: = {a}^{2} = {12.4}^{2} = 153.76 {m}^{2}$