Question

EXE SE 21B
1. Find the circumference of a circle whose radius is
(i) 28 cm
(ii) 10.5 cm
(iii) 3.5​

Answer 1

Answer:

Step-by-step explanation:

We know that radius is Diameter÷2

And , Circumference is πd

So..

1)10.5×2

21

21×π

21 × 22÷7

66cm

2)3.5×2

7

7×π

7×22÷7

22cm

3)28×2

56

56×π

56×22÷7

8cm

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Step-by-step explanation:

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