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Class 12 Mathematics Trigonometric Functions AnglesHardLevel 69

If the arc length is \(8\pi\) cm and the radius is (16) cm then what is the central angle?

Answer and explanation

Correct answer: \(\frac{\pi}{2}\)

\(\theta=\frac{s}{r}=\frac{8\pi}{16}=\frac{\pi}{2}\). Apply the arc length formula in reverse.

Tags

trigonometric-functionsarc-lengthcentral-angle

Frequently asked questions

What is the correct answer to this question?

\(\frac{\pi}{2}\)

Why is this the correct answer?

\(\theta=\frac{s}{r}=\frac{8\pi}{16}=\frac{\pi}{2}\). Apply the arc length formula in reverse.

Which subject and chapter does this question cover?

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

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