Question

find the circumference of the circle whose diameter is 7 cm​

Answer 1

Answer:

Hope it helped you!!

Step-by-step explanation:

since, d=7

so,r=7÷2=3.5

Now,

C=2pi r

=2×22÷7×3.5

=22 Ans.

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Answer 2

Answer:

radius =7/2

circumference =perimeter

perimeter =2πr

= 2*22/7*7/2

= 22cm