Grade 7, Maths Olympiad (CBSE) - Circumference of Circle
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Grade 7 | Maths | Circumference of Circle, Perimeter and Area, Olympiad, CBSE, ICSE, Maths Olympiad, Science Olympiad, English Olympiad
Circumference of a circle: The perimeter of a circle is called the circumference of a circle.
Circumference of circle=2 X pie X r
Circumference of a semicircle = 22/7 * r + 2r
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