Question

the circumference of a circular garden is 66 m. Find its diameter​

Answer 1

21m

Step-by-step explanation:

To find the Diameter , we will have to find the radius .

Circumference = 66m

Value of π = 22/7

Circumference = 2πr

66m = 2 x 22/7 x r

66m = 44/7 x r

66 x 7/44 = r

42/4 = 21/2 = 10.5m

10.5m = Radius

Diameter = 2r = 2 x 10.5 = 21m

DIAMETER = 21m

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Answer 2

Step-by-step explanation:

circumference of circle is 66 m

perimeter of circle=2πr

66 =2(22/7)r

66/2 = 22/7×r

33 = 22/7×r

33×7/22 = r

21/2 =r

r=10.5 m

diameter = 10.5×2

=21 m