Question

The diameter of a circle whose circumference is 22 cm is​

Answer 1

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Answer 2

Correct Question :

Find the diameter of circle whose circumference is 22cm

Given :

• Circumference of circle = 22cm

To find :

• Diameter of circle

Solution :

❒ Circumference of circle = πd

➨ 22 = 22/7 × (d)

➨(22 × 7)/22 = d

➨ 7 = d

➫Diameter of circle = 7 cm

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Additional information :

➣ What is circumference of circle ?

Ans :Perimeter or outer boundary of circle is termed as circumference of circle. circumference of circle = 2πr.

➣ Formula for area of circle .

Ans : πr² (where r = radius)