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Class 12 Mathematics Trigonometric Functions AnglesExpertLevel 67

If the area of a sector is (3) times its arc length, what is the radius of the sector?

Answer and explanation

Correct answer: (6)

In a sector, (A=\frac{1}{2}rs), and (A=3s) is given. Hence (\frac{1}{2}r=3), giving (r=6).

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trigonometric-functionsanglessector-relationexpert

Frequently asked questions

What is the correct answer to this question?

(6)

Why is this the correct answer?

In a sector, (A=\frac{1}{2}rs), and (A=3s) is given. Hence (\frac{1}{2}r=3), giving (r=6).

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.

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