Area of a circle = π r. Length of an arc of a sector of a circle with radius r and angle with degree measure θ is= theta/360 *2*π *r. Area of a sector of a circle with radius r and angle with degree measure θ is theta/360 *π*r.

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Class 10 Area Related To Circle Reduced Syllabus 2021

Areas Related to Circles (10 Periods)

 Motivate the area of a circle; area of sectors and segments of a circle. Problems based on areas and perimeter / circumference of the above said plane figures. (In calculating area of segment of a circle, problems should be restricted to central angle of 60°, 90° only. Plane figures involving triangles, simple quadrilaterals and circle should be taken.)

Class 10 Area Related To Circle Deleted Syllabus 2021

AREAS RELATED TO CIRCLESProblems on central angle of 120°

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