Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...
NCERT book for class 4 Maths subject is the best book to gain an in-depth understanding of all the concepts and strengthen the fundamentals of Mathematics. NCERT Class 4 Maths Book by Jagran Josh is ...
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