Question

The circumference of a circle is larger then its diameter by 72m.Find the area of the circle?​

Answer 1

Answer:

You need to determine what diameter of a circle yields a 144 meter perimeter.

Semi circle = 1/2 of circle so use 2 x 72 for this calculation.

Circumference (perimeter) = pi x Diameter (D)

144 meter = pi x D

Solve above for D

Once D is calculated - Radius = 1/2 D

Solve above for R.

Once R is calculated; Area = pi x R squared

Solve for Area.

Since the park is semi-circular Area of park = 1/2 A from above