Intro mse 9001

in les •  6 years ago 

D.𝜋2 E.3+𝜋2

  1. 75° in radian measure is
    A.𝜋75 B.75𝜋 C.5𝜋12 D.12𝜋5 E.𝜋30
    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 𝑐𝑚2 B. 32 𝑐𝑚2 C. 3𝜋2 𝑐𝑚2 D. 3𝜋 𝑐𝑚2 E. 180 𝑐𝑚2
    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
  2. 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
  3. 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.2𝜋 D.1𝜋 E.12
  4. An arc PQ subtends an angle of 120° at the centre of a circle of radius 1 cm. The length of
    arc PQ is
    A. 120 cm B. 60 cm C. 𝜋6cm D. 2𝜋3cm E.𝜋218 cm
  5. If the central angle of a circle of radius 14 cm cuts off an arc of length 28 cm , then the radian
    measure of the angle is
    A. 22 B.2 C.1 D. 4 E. 8𝜋
  6. The pendulum on a clock swings through an angle of 2 radians, and the tip sweeps out and
    arc of 6 inches. Then the length of the pendulum is
    A. 3 inches B. 12 inches C. 24 inches D. 12𝜋 inches E. 24𝜋 inches
  7. The area of a sector of a circle is 143 cm2and the length of the arc of the sector is 11 cm .
    Then the radius , in cm, of the circle is
    A. 11 B.132 C.26 D. 13 E. None of these
  8. The figure shows a sector OMN of a circle at centre O with the radius r = 6 cm and a
    perimeter of 16 cm . The area of sector MON = ………
    A. 24𝑐𝑚2 B. 36𝑐𝑚2 C. 15𝑐𝑚2 D.12𝑐𝑚2 E. 9𝑐𝑚2
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