MEDIUM
11th CBSE
IMPORTANT
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The difference between the two acute angles of a right triangle is πc5. Find these angles in radians and degrees.

Important Questions on Measurement of Angles

MEDIUM
11th CBSE
IMPORTANT
Find the radius of a circle in which a central angle of 450 intercept an arc of length 33 cm. (Take π=227)
MEDIUM
11th CBSE
IMPORTANT
Find the length of an arc of a circle of radius14cm  which subtends an angle of 36° at the centre.    [Enter the value excluding units]
MEDIUM
11th CBSE
IMPORTANT
If the arcs of the same length in two circles subtend angles 75° and 120° at the centre, the ratio of their radii is r1:r2. Find r1+r2.
MEDIUM
11th CBSE
IMPORTANT
The degree measure of the angle subtended at the centre of a circle of diameter 60 cm by an arc of length 16.5 cm is k°30'. Find k
MEDIUM
11th CBSE
IMPORTANT
In a circle of diameter 30 cm, the length of a chord is 15 cm. Find the length of the minor arc of the chord.     [Enter the value excluding units]
MEDIUM
11th CBSE
IMPORTANT
Find the angle in radians as well as in degrees through which a pendulum swings if its length is 45 cm and its tip describes an arc of length 11 cm.
MEDIUM
11th CBSE
IMPORTANT
The large hand of a clock is 42 cm long. How many centimetres does its extremity move in 20 minutes?
MEDIUM
11th CBSE
IMPORTANT
A wheel makes180 revolutions in 1minute.Through kπ radians does it turn in 1second. Find the value of k.