Question

What is the area of the circle whose circumference is 264 cm?

विकल्प

• 5544 sq. cm

• 5454 sq. cm

• 5540 sq. cm

• 5548 sq. cm

Answer 1

5544 sq. cm

Explanation:

2πr = 264

⇒ `2 xx 22/7 xx "r"` = 264

⇒ r = `(264 xx 7)/(22 xx 2)` = 42 cm

∴ Area of circle = πr²

= `22/7 xx 42 xx 42`

= 5544 sq. cm