1. Radius of a circle is 7 cm and the anglesubtended at the centre is – InterviewSolution

1.

1. Radius of a circle is 7 cm and the anglesubtended at the centre is 60°. Find the length ofthe arcd angle of the j

Answer»

Let ACB be the given arc subtending at an angle of 60° at the centre.

Now, we have:

r=7 cm and θ=60°

∴ Length of the arc ACB=2πr*(60/360)

=2×22/7×7×60/360=7.33 cm

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