Question

find the radius of a circle whose circumference is 66 metre ​

Answer 1

Answer:

10.5 will be the answer

Step-by-step explanation:

Circumfrence =66

radius = x

the formula of a circle is

2πr= circumfrence

2 *22/7 *x=66

now put all numbers on the other side of equals to

x=66*7/2*22

so x =21/2x=10.5

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Answer 2

Answer:

21/2

Step-by-step explanation:

Above is full explaination.

hope it helps u..