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An umbrella has 8 ribs which are equally...

An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.

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The correct Answer is:
`795.54cm^2`
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VK GLOBAL PUBLICATION-AREAS RELATED TO CIRCLES-Short Answer Questions -II
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  7. The minute hand of a clock is 10 cm long. Find the area of the face...

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  9. A chord of a circle of radius 15 cm subtends an angle of 60oat the c...

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  10. A chord of a circle of radius 12 cm subtends an angle of 120oat the ...

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  11. A round table cover has six equal designs as shown in Fig. 12.14. If ...

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  12. Find the area of the shaded region in Fig. 12.19, if P Q=24\ c m ,\ P...

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  13. Find the area of the shaded region in Fig., if radii of the two conecn...

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  14. Find the area of the shaded region in Fig. 12.21, if ABCD is a squa...

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  15. Find the area of the shaded region in Fig. 12.22, where a circular ...

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  16. From each corner of a square of side 4 cm a quadrant of a circle of...

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  17. In Fig. 12.25, ABCD is a square of side 14 cm. With centres A, B, C...

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  18. On a square handkerchief, nine circular designs each of radius 7 cm ar...

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  19. In Fig. 12.30, OACB is a quadrant of a circle with centre O and radiu...

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  20. find the area of the shaded region [Use pi=3.14] .

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