If the radius of a circle is (7) cm and arc length is (14) cm then what is the angle at the centre in radians?
Answer and explanation
Correct answer: (2) radians
In radians ( \theta=\frac{s}{r}=\frac{14}{7}=2 ). Use (s=r\theta) in arc length questions.
Frequently asked questions
What is the correct answer to this question?
(2) radians
Why is this the correct answer?
In radians ( \theta=\frac{s}{r}=\frac{14}{7}=2 ). Use (s=r\theta) in arc length questions.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.