Question

the circumference of a circle is 31.4 cm . find the radius and the area of the circle? [take \pi=3.14]

Answer 1

radius is 5cm
area =78.5cm^2

Answer 2

Circumference of circle is 2πr=31.4

Then radius (r)=31.4/2×3.14=5cm

Area of circle= πr²=25π cm²=