Question

find the length of diagonal of a square with side 8 cm

Answer 1

Length of daigonal of a square is

√2a. Where a is side length

Hence here

√2*8 =8√2

Please mark my answer as BRAINLIEST

Answer 2

d=$\sqrt{a^{2} +a^{2} } =a\sqrt{2} =8\sqrt{2}$