Question

CIRCUMFERENCE OF A CIRCLE.
Calculate the circumference of each circle:
1. 21cm
2.28cm
3.7cm
4.15cm
5.11cm
6.49cm​

Answer 1

Answer:

C=2πr

r= radius

π=3.14

1. C=2πr

C=2×3.14×21

C= 131.95cm

1. 131.95cm

2. 175.93cm

3. 43.98cm

4.94.25cm

5.69.12cm

6. 307.88cm

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