If a sector has arc length (16) cm and central angle (4) radians, what is its area?
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Answer and explanation
Correct answer: (32) square cm
From (s=r\theta), (r=4), then (A=\frac{1}{2}r^2\theta=32). In exams, first find the radius and then apply the area formula.
Frequently asked questions
What is the correct answer to this question?
(32) square cm
Why is this the correct answer?
From (s=r\theta), (r=4), then (A=\frac{1}{2}r^2\theta=32). In exams, first find the radius and then apply the area formula.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.
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