Question

Find the area of a circle with the diameter of 3 centimeters. Use 3.14 for pi ().

Answer 1

7.065 sq. cm

Explanation:

Diameter= 3 cm

Since 2r=d, the radius is 1.5 cm

Circle area formula:

πr^2 --> 3.14(r^2)

Plug in r:

A=3.14(1.5^2)

A=3.14(2.25)

A=7.065