Question

he circumference of a circle is 40π cm. Calculate the area of the same circle.

Answer 1

Answer:

144π cm²

Step-by-step explanation:

The circumference of a circle is 40π cm.

Let radius of the circle be = r

• 40π = 2πr
• 40 = r

2

• 20 = r

Since, 20 cm = radius of the circle

Therefore, Area of the circle

= πr²

= 22 (12)²

7

= 37.68 cm² (approximately)

or

144π cm²