The radius of a circle is (18) cm and the arc is (15\pi) cm. What is the central angle in degrees?
Answer and explanation
Correct answer: (150^\circ)
( \theta=\frac{s}{r}=\frac{15\pi}{18}=\frac{5\pi}{6}=150^\circ ). First find the radian angle and then convert to degrees.
Frequently asked questions
What is the correct answer to this question?
(150^\circ)
Why is this the correct answer?
( \theta=\frac{s}{r}=\frac{15\pi}{18}=\frac{5\pi}{6}=150^\circ ). First find the radian angle and then convert to degrees.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.