Question

4
The diagonal of a square is 12/2 cm. Find its
perimeter​

Answer 1

Step-by-step explanation:

diagonal diagonal of a square=1/2×diagonal square

therefore,

1/2 ×(diagonal)²= 12/2cm

diagonal ²= 12/2× 2

diagonal=√12

2√3

perimeter of square is 4 × side

4×2√3

8√3