Find the perimeter of the adjoining Figure (b). (Take T 3.14)Figure (a)7. A wheel has radius 42 cm.(a) Find the distance covered in 700 revolutions.(b) In how many revolutions will it cover a distance of 3 km 960 m?&The ratio of areas of circle A to circle B is 5:4. If the radius of circle B4 cmis 28 cm, what is the area of circle A?What is the area of the shaded part of Figure (c)?Figure (by

Find the perimeter of the adjoining Figure (b). (Take T 3.14)Figure (a

1.	Find the perimeter of the adjoining Figure (b). (Take T 3.14)Figure (a)7. A wheel has radius 42 cm.(a) Find the distance covered in 700 revolutions.(b) In how many revolutions will it cover a distance of 3 km 960 m?&The ratio of areas of circle A to circle B is 5:4. If the radius of circle B4 cmis 28 cm, what is the area of circle A?What is the area of the shaded part of Figure (c)?Figure (by
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