Areas Related to Circles
A wiper sweeping glass and a slice cut from a pizza both trace parts of a circle. Chapter 11, Areas Related to Circles, of the NCERT Mathematics textbook for Class 10 studies perimeter and circumference before turning to areas. You will compute the length of an arc and the areas of a sector and a segment, and handle combinations of plane figures such as a square with semicircles on its sides. Problems on wheels, tracks and designs show each method working on familiar shapes.
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