Question

3. The area of a circle of radius r is
1 point
(a) πx square of radius
(b) 2πr
(c) 2π
(d) 4πr
​

Answer 1

Step-by-step explanation:

Question : The area of a circle of radius r is?

Answer : Radius = r

Area of circle = π(r)²

The answer will be (a) πx square of radius

Hope it helps you.

Answer 2

Answer:

${ option\;A. }$

In geometry, the area enclosed by a circle of radius r is πr2. Here the Greek letter π represents the constant ratio of the circumference of any circle to its diameter, approximately equal to 3.14159.