Question

find the diameter of a circle whose circumference is 66 m. please help me guys ...​

Answer 1

Answer:

Let the diameter of a circle be d m

Given circumference of the circle is 66 m

⟹πd=66

⟹

7

22

×d=66

⟹d=

22

66×7

=21 m

So the diameter is 21 cm

Answer 2

Answer:

21m

Step-by-step explanation:

circumference=66m

2πr=66

2×22/7×r=66

r=(66×7)/(2×22)

r=10.5m

diameter=2r

=2×10.5

=21m

please mark brainliest