The radius of a circle is 15.84 cm longer than its circumference. What is the area of the circle in square centimeters?

The radius of a circle is 15.84 cm longer than its circumference. What is the area of the circle in square centimeters?

Radius of circle = 15.84 △ 2 × 3.14-1 = 3cm
Area = 3.14 × 3 × 3 = 28.26 square centimeter