in a circle radius 21 cm. an arc subtends an angle of 60 degree at the centre. find the length of the arc
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Radius of circle 21
angles subtended 60°
Formula required to find the arc length: theta/ 360 × 2πr
60°/ 360° × 2× 22/7 × 21
1/6 × 2 × 22/7 × 21
= 22 hence the arc length is 22
HOPE IT HELPED YOU MATE!!!!!!
angles subtended 60°
Formula required to find the arc length: theta/ 360 × 2πr
60°/ 360° × 2× 22/7 × 21
1/6 × 2 × 22/7 × 21
= 22 hence the arc length is 22
HOPE IT HELPED YOU MATE!!!!!!
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