Question

calculate the area circumference of a circle whose diameter is 20 cm

Answer 1

d=2r=> r=10cm, area = πr^2=314 cm2& circumference= 2πr =62.8cm

Answer 2

Hey mate !!!

here is your answer !!!

CIRCUMFERENCE of cirlcle => 2πr

Daimeter given => 20

so radius will be => 20/2 = 10cm

now area.
πr²

=> 2π x 10


20π

hope it helps you dear !!!

thanks