Question

The circumference of a circle is 6 2/7 miles. What is the area of the circle in square miles? ( Use 22/7 for pi.)

Answer 1

solution given:

circumference of circle=6 2/7=44/7miles

2πr=44/7 miles

r=44/7×7/44=1 miles

now

area of circle=πr²=22/7×1²=22/7 =3 1/7 miles ²