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The circumference of the following figur...

The circumference of the following figure is :

A

`(20 + 10pi) `

B

`20 pi `

C

`10 pi `

D

`30 pi`

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The correct Answer is:
A
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ARIHANT SSC-MENSURATION-INTRODUCTORY EXERCISE- 10.4
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  2. The radius of a circle is increased by 2cm from 5 cm to 7 cm . What i...

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  3. If the circumference of a circle is increased by 20%, what will be ...

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  8. A circle with 7cm is segmented into six equal triangular areas as show...

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  9. In the following figure , the area in (cm^(2)) is :

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  10. If the piece of wire 25 cm long is bent into an arc of a circle subten...

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  12. The circumference of the following figure is :

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  14. The area of a sector of a circle of radius 8 cm , formed by an arc of ...

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  16. What is the radius of circular field whose area is equal to the sum o...

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  17. A rope by which a calf is tied is decreased from 23 m to 12 m. What i...

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  18. A wire is bent in the form of a square of side 66 m . It is cut and ag...

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  19. A wire is in the form of a circle of radius 42 m is cut and again ben...

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  20. If the driving wheel of a bicycle makes 560 revolutions in travelli...

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