Question

find the radius and diameter of the circle given the area 55.44 cm ​

Answer 1

Answer:

26.4m

Step-by-step explanation:

As we know that,

Area of circle =πr

2

Area of circle =55.44m

2

(Given)

∴πr

2

=55.44

⇒r

2

=55.44×

22

7

⇒r=

2.52×7

⇒r=

17.64

=4.2m

Therefore,

Circumference of circle =2πr

=2×

7

22

×4.2

=26.4m