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Lessons | 12

الدورة دي هتفيدك

Circles

إخفاء
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Free Areas Related to Circles tutorial, What are the formulas in areas related to circles?
Areas Related to Circles Formulas CBSE Class 10 Maths
The distance around the circle or the length of a circle is called its circumference or perimeter.
Circumference (perimeter) of a circle = πd or 2πr, ...
Area of a circle = πr2
Area of a semicircle = \frac { 1 }{ 2 } πr2
Area of quadrant = \frac { 1 }{ 4 } πr2.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.