Question

3. Length of the diagonal of a square is 10.its area = ?
(a) 100 (b) 5 (c) 50 (d) 25​

Answer 1

Answer

Length of diagonal = 10

Side:

$\sqrt{ \frac{10}{2} }$

Area = side^2

Area = 10/2 = 5

Answer: (b) 5