The area of a square poster is 987cm square.Find the perimeter of the poster, leaving your answer correct to 1 decimal place {cm}^(2)

Question

The area of a square poster is 987cm square.Find the perimeter of the poster, leaving your answer correct to 1 decimal place


`{cm}^(2)`

Answer 1

√987 = 31.416556145
Length of one side: 31.416556145
31.416556145 × 4 = 125.66622458
125.66622458 to 1dp: 125.7

Perimeter: 125.7cm