Grade 7, Maths Olympiad (CBSE) - Area of circle
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Grade 7 | Maths | Area of circle, Perimeter and Area, Olympiad, CBSE, ICSE, Maths Olympiad, Science Olympiad, English Olympiad
Area of circle = Region enclosed in circumference is called the area.
Area of circle= pie X radius X radius
Area of semi-circle = 1/2 * 22/7 * r * r
Area of a quadrant = 1/4 * 22/7 * r *r
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