Question

The length of the diagonal of a square is `10sqrt(2)` cm. Its area is ______.

विकल्प

• 200 cm²

• 100 cm²

• 150 cm²

• `100sqrt(2)` cm²

Answer 1

The length of the diagonal of a square is `10sqrt(2)` cm. Its area is 100 cm².

Explanation:

Area = `1/2 xx ("diagonal")^2 `

= `1/2 xx (10sqrt(2))^2 cm^2`

= 100 cm²