the length of an Arc of a circle of radius 4.2 cm is 4.4 cm, Find the angle subtend by this arc at the centre
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Answer:
60°
Step-by-step explanation:
Radius (r)=4.2cm
Length of Arc (l)=4.4
Angle suntended(theta)=?
as we know,
theta radian = l/r
=180*4.4/(π*4.2)
By solving we get,
theta =60 °
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