Which angle has radian measure ( \frac{3}{2} ) if arc (s=18) cm and radius (r=12) cm?
Answer and explanation
Correct answer: ( \frac{3}{2} ) radians
( \theta=\frac{s}{r}=\frac{18}{12}=\frac{3}{2} ) radians. The arc length and radius must have the same unit.
Frequently asked questions
What is the correct answer to this question?
( \frac{3}{2} ) radians
Why is this the correct answer?
( \theta=\frac{s}{r}=\frac{18}{12}=\frac{3}{2} ) radians. The arc length and radius must have the same unit.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.