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Class 12 Mathematics Trigonometric Functions AnglesMediumLevel 67

If (r=5) cm and ( \theta=\frac{3\pi}{5} ) radians then what will be the arc length?

Answer and explanation

Correct answer: (3\pi) cm

(s=r\theta=5\times \frac{3\pi}{5}=3\pi) cm. This formula applies directly when the angle is in radians.

Tags

trigonometric-functionsanglesarc-measure

Frequently asked questions

What is the correct answer to this question?

(3\pi) cm

Why is this the correct answer?

(s=r\theta=5\times \frac{3\pi}{5}=3\pi) cm. This formula applies directly when the angle is in radians.

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.

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