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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 12 - Areas Related to Circles > The central angles of two sectors of circles of radii 7 cm and 21 cm are respectively 120° and 40°. Find the areas of the two sectors as well as the lengths of the corresponding arcs. What do you observe?

The central angles of two sectors of circles of radii 7 cm and 21 cm are respectively 120° and 40°. Find the areas of the two sectors as well as the lengths of the corresponding arcs. What do you observe?

Find the area of the segment of a circle of radius 12 cm whose corresponding sector has a central angle of 60°. (use π = 3.14)