Find the degree measure of the angle subtended at the centre of a circle of radius 10 cm by an arc of length 22 cm $(U se π = \frac{22}{7}) .$

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Find the degree measure of the angle subtended at the centre of a circle of radius 10 cm by an arc of length 22 cm

(U se π = \frac{22}{7}) .

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Text solutionVerified

Circumference of circle

= 10 \times \frac{22}{7} \times 2 = \frac{440}{7}

Now

\frac{22}{440/7} = \frac{a}{360}

a = \frac{360 \times 22 \times 7}{440}

= 12 6^{o}

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Question Text	Find the degree measure of the angle subtended at the centre of a circle of radius 10 cm by an arc of length 22 cm $(U se π = \frac{22}{7}) .$
Answer Type	Text solution:1
Upvotes	150