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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.

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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3 votes
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.

User Petr Bela
by
8.7k points

1 Answer

3 votes

Answer: 43.98cm

Step-by-step explanation: C=2πr^2

User Zo Has
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8.8k points
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