Q. 11 G5.0( 1 Vote )

Select a proper option (a), (b), (c) or (d) from given options and write in the box given on the right so that the statement becomes correct:

The area of a minor sector of (O, 15) is 150. The length of the corresponding arc is (π = 3.14)

A. 30

B. 20

C. 90

D. 15

Answer :

Radius of the minor sector= 15 cm


Area of minor sector = 150


Area of a minor sector = r l


150 = × 15 × l


l = 20 cm


So, option(b) is the correct answer.

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