(3)
Find the angle in degree subtended at
the centre of a circle by an arc whose
length is 15 cm, if the radius of the
circle is 25 cm.
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Answer:
the diameter of the circle = 50 cm
the radius of the circle r = 50/2 = 25 cm
circumference of the circle =
the length of the arc = 11 cm
the subtended angle
degree
hope this helps you.
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