Question

1. Find the circumference of a circle whose radius is
(i) 28 cm,
(ii) 1.4 m.
Find the circumference of a circle whoro diam​

Answer 1

Answer:

i) 176cm

ii)8.8 m

Step-by-step explanation:

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Answer 2

Answer:

1) Radius = 28 cm

circumference of circle = pie × r

= 22/7×28

= 22×4

circumference of circle = 88

2) Radius = 1.4 cm

circumference of circle = pie × r

= 22/7×1.4

= 22/7×14/10

= 11 × 2/5

= 22/5

circumference of circle =4.4