If the sector area is (25) square cm and (r=5) cm, what is the central angle in radians?
Answer and explanation
Correct answer: (2) radians
(25=\frac{1}{2}\times25\times\theta), so ( \theta=2 ) radians. Isolate the unknown angle in the area formula.
Frequently asked questions
What is the correct answer to this question?
(2) radians
Why is this the correct answer?
(25=\frac{1}{2}\times25\times\theta), so ( \theta=2 ) radians. Isolate the unknown angle in the area formula.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.