Question

Find the perimeter of the following.
A circle with a diameter 7 cm​

Answer 1

Answer:

d=7, r= 7/2

Perimeter or Circumference of a circle

= 2×pi×r

= 2×22/7×7/2

= 22cm

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Answer 2

Step-by-step explanation:

diameter=7

radius=diameter/2

=7/2

=3.5 cm

perimeter=2πr

=2×22/7×3.5

= 2×22×0.5

=44×0.5

=22 cm