Question

find the length of the radii of the circle whose circumference are 55cm​

Answer 1

8.75cm

Step-by-step explanation:

circumferenceof circle =2pie r

it is given circumference = 55cm

so, 2 pie r=55

2×22/7×r=55

r=55×7/2×22=35/4=8.75cm

hope it will help you!

Answer 2

2πr=55

=>2×22/7×r=55

=> 44/7r= 55

So,

r= 55×7/44

=35/4= 8.75

Hence radi= 8.75cm