Question

(2) Length of a diagonal of a square is 15/2 cm. Find its perimeter.
(A) 15 cm
(B) 30 cm
(C) 45 cm
(D) 60 cm​

Answer 1

Answer:

15/2=√2×a

a=15×√2÷4

perimeter=4×15×√2÷4

15×√2