NCERT Solutions for Class 10 Maths Chapter 12

Important NCERT Questions

Areas Related To Circles Class,

NCERT Books for Session 2022-2023

CBSE Board and UP Board Others state Board

EXERCISE 12.2

Page No:230

Questions No:1

# Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°.

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OACB is a minor sector.

We know that, the area of a sector θ/360° × πr²

Therefore, area of sector OACB

= 60°/360° × 22/7 (6)²

= 1/6 × 22/7 × 6 × 6

= 132/7 cm²

See this Video explanation👇😀