Question

Find the measure of an angle in degrees and radians formed by an arc of 2.5 cm length at

the centre of a circle with 15 cm radius

Answer 1

Hi Mate!!!

Length of an arc = angle subtended by an arc × Radius of circle

angle subtended by an arc = 2.5 / 15

=>. angle = 1 / 6 °

OR

=>. Angle ={ 1 / 6 } × π / 180

=>. Angle = π / 1080 radian



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