Question

length of the side of square is 8 cm find the length of its diagonal​

Answer 1

Answer:

Step-by-step explanation:

we know the each angle is 90

so by the phythagoras theorem we can say

side² + side² = diagonal²

8² + 8² = diagonal²

diagonal² = 64 + 64

diagonal² = 132

diagonal = √132

diagonal = √ 64 x 2

diagonal = 8√2 cm