Question

what is the circumference of each circle with diameter As given
A. 4cm B.6cm C. 7cm​

Answer 1

Answer:

4-12.57

Step-by-step explanation:

6-18.85

7-21.99

Answer 2

Answer:

The Circumference (Perimeter) of 1st, 2nd and 3rd circles are 88/7, 132/7 and 22 respectively.

Step-by-step explanation:

Given Diameter of the 1st circle = 4cm

Therefore, Radius = 4/2 = 2cm

Diameter of the 2nd circle = 6cm

Therefore, Radius = 6/2 = 3cm

Diameter of the 3rd circle = 7cm

Therefore, radius = 7/2 = 3.5cm

Circumference of 1st circle = 2×22/7×2 = 88/7

Circumference of 2nd circle = 2×22/7×3 = 132/7

Circumference of 3rd circle = 2×22/7×3.5

= 44/70×35

= 44/10×5 = 44/2 = 22

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