If the arc length is (\frac{9\pi}{2}) cm and the radius is (12) cm, what is the central angle in degrees?
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Answer and explanation
Correct answer: (67.5^\circ)
From (s=r\theta), (\theta=\frac{3\pi}{8}), which is (67.5^\circ). In exams, keep the angle in radians in the arc formula.
Frequently asked questions
What is the correct answer to this question?
(67.5^\circ)
Why is this the correct answer?
From (s=r\theta), (\theta=\frac{3\pi}{8}), which is (67.5^\circ). In exams, keep the angle in radians in the arc formula.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.
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