Answer:
127.39 square units
Step-by-step explanation:
We are given;
- Circumference of the circle as 40 units
We are supposed to determine its area;
- The circumference of a circle is given by;
Circumference = πD or 2πr , where D is the diameter and r is the radius
Thus;
40 = 2πr
πr = 20
r = 20/π
Area of a circle is given by;
A = πr²
but, r = 20/π
Hence;
Area = π × (20/π)²
= π × 400/π²
= 400/π
Taking π to be 3.14
Area = 400 ÷ 3.14
= 127.39 square units
Thus, the area of the circle is 127.39 square units
