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The radius of a circle is 7cm. Find the circumference of the circle. Hence find the length of an arc of the circle which subtends an angle of 450at the centre.
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The radius of a circle is 7cm. Find the circumference of the circle. Hence find the length of an arc of the circle which subtends an angle of 450at the centre.
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The radius of a circle is 7cm. Find the circumference of the circle. Hence find the length of an arc of the circle which subtends an angle of 450at the centre.
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Petr Bela
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Answer: 43.98cm
Step-by-step explanation: C=2πr^2
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