Question

the diameter of a circle whose circumference is 47.1 cm is

Answer 1

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Answer 2

The diameter of a circle is 15 cm

Step-by-step explanation:

Circumference of circle = $2 \pi r$

We are given that Circumference of circle is 47.1

So,$2 \pi r =47.1$

$2 \times \frac{22}{7} \times r = 47.1$

$r=47.1 \times \frac{1}{3.14 \times 2}$

r=7.5

So, radius = 7.5 cm

Diameter of circle = 2r =2(7.5)=15 cm

Hence the diameter of a circle is 15 cm

#Learn more:

Find the circumference of a circle whose :

(i) diameter= 1.4m.​

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