Question

the ratio of circumference and diameter of a circle is 22:7 if the diameter of a circle 42 meters,what is the length of its circumference​

Answer 1

Your answer is 132 m

D=42m

r=21m

circumference=2*22/7*21

c=132m

*=multiplication

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Answer 2

Step-by-step explanation:

circumference =132 m

the ratio is 22:7

22 for circumference and 7 for diameter.

So, let circumference be x

22/7=x/42

use cross multiplication method

and you will get the answer like this

x=42*22/7=132 m

hope this helps you