An arc of length 20pi cm subtends an ...

An arc of length `20pi` cm subtends an angle of `144o` at the centre of a circle. Find the radius of the circle.

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RD SHARMA ENGLISH-AREAS RELATED TO CIRCLES-All Questions

Find, in terms of pi , the length of the arc that subtends an angle ...
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Find the angle subtended at the centre of a circle of radius 5 cm b...
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An arc of length 20pi cm subtends an angle of 144o at the centre...
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An arc of length 15 cm subtends an angle of 45^@ at the center of a ...
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Find the angle subtended at the centre of a circle of radius ' a ' ...
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Find the area of the sector of a circle with radius 4 cm and of angl...
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A sector of a circle of radius 8 cm contains an angle of 135o . Fin...
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The area of a sector of a circle 2 cm is pi\ c m^2 . Find the angle co...
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The area of a sector of a circle of radius 5 cm is 5\ pi\ c m^2 . Find...
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A B is a chord of a circle with centre O and radius 4 cm. A B is...
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In a circle of radius 35 cm, an arc subtends an angle of 72o at ...
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The perimeter of a sector a circle of radius 5.7 m is 27.2 m. Find ...
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The perimeter of a certain sector of a circle of radius 5.7 m is 27....
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A sector is cut-off from a circle of radius 21 cm. The angle of the...
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The minute hand of a clock is sqrt(21) cm long. Find the area descr...
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In a circle of radius 6 cm, a chord of length 10 cm makes an angle ...
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In a circle of radius 6 cm, a chord of length 10 cm makes an angle ...
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Fig. 15.17, shows a sector of a circle, centre O , containing an an...
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Find the area of the segment of a circle, given that the angle of t...
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A chord A B of a circle of radius 15 cm makes an angle of 60o at ...
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