If radius is (10) cm and central angle is ( \frac{3\pi}{10} ) radians, what is the area of the sector?
Answer and explanation
Correct answer: (15\pi) square cm
Area is ( \frac{1}{2}r^2\theta=\frac{1}{2}\times100\times\frac{3\pi}{10}=15\pi ). Use this formula directly when the angle is in radians.
Frequently asked questions
What is the correct answer to this question?
(15\pi) square cm
Why is this the correct answer?
Area is ( \frac{1}{2}r^2\theta=\frac{1}{2}\times100\times\frac{3\pi}{10}=15\pi ). Use this formula directly when the angle is in radians.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.