Question

Find the area of circle whose diameter is 56 mm

Answer 1

Step-by-step explanation:

Diameter =5.6m=> radius =2.8m

Circumference of a circle of radius r =2πr

Circumference of circle of radius 2.8m=2π×(2.8m)

⇒2×

7

22

×2.8=17.6 m

⇒1760cm