What is the circumference of a circle that has a radius of 7 cm -A- 22 cmB- 44 cmC- 88 cmD- 176 cm

The correct option is B 44 cmCircumference of circle is given by 2 π× r Here the radius of circle 'r' is equal to 7 cm So, circumference is equal to 22/7× 7× ...

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Standard VII

Mathematics

Circumference

What is the c...

Question

What is the circumference of a circle that has a radius of 7 cm?

22 cm

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44 cm

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88 cm

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176 cm

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Solution

The correct option is B 44 cm
Circumference of circle is given by $2 π \times r$
Here the radius of circle 'r' is equal to 7 cm
So, circumference is equal to $\frac{22}{7} \times 7 \times 2$ = 44 cm

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What is the circumference of a circle that has a radius of 7 cm?

The correct option is B 44 cmCircumference of circle is given by 2π×r Here the radius of circle 'r' is equal to 7 cm So, circumference is equal to 227×7×2 = 44 cm

The correct option is B 44 cm
Circumference of circle is given by $2 π \times r$
Here the radius of circle 'r' is equal to 7 cm
So, circumference is equal to $\frac{22}{7} \times 7 \times 2$ = 44 cm