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A.π/75 B.75/π C.5π/12 D.12π/5 E.π/30
3.An arc PQ subtends an angle 60° at the centre O of radius 3 cm. The area of the sector POQ is
A. 270 〖cm〗^2 B. 3/2 〖cm〗^2 C. 3π/2 〖cm〗^2 D. 3π 〖cm〗^2 E. 180 〖cm〗^2
4.A sector of a circle has arc length of 8 cm and the area of 16 cm2,then the radius of the circle
in cm , is
A. 2 B. 3 C.5 D. 48 E. 12
- OAB is a sector of a circle with centre O, radius 8 cm and a perimeter 22 cm. Then the area
of sector, in square cm is
A. 6 B. 28 C. 24 D. 48 E. 12 - The area , in cm2 , of a circle has the same numerical value as the circumference, in cm, of
the same circle. The radius , in cm, is
A. 2 B. 1 C.2/π D.1/π E.1/2
The distance between the two parallel chords AB and CD is
A. 4 cm B. 5cm C. 6 cm D. 7 cm E. 4cm
3.The diameter of a circle is 10 cm and the chord through a point P, the midpoint of the chord
is 6 cm . The distance of P from the centre O is
A.3 cm B. 4 cm C. 5 cm D. 6cm E. 7 cm
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