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Find the angle subtended at the centre of a circle of radius 5 cm by an arc of length (\(\frac{5π}3\)) cm

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Arc length = \(\frac{5π}3\) cm

Radius of circle = 5 cm 

Formula: 

Arc length = r × q  

r = radius of circle 

q = angle subtended by arc at the center

\(\frac{5π}3\) = 5 x q

q = \(\frac{5π}{3\times5}\) = \(\frac{π}3\) = \(\frac{180}3\) = 60°

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