Question

Assignment (Ex 11.3) class 7
1. A water sprinkler in a lawn sprays water as far as 5 m in all directions. Find the length of outer edge of wet grass taking π=3.14

2. A wire is circular in shape of radius 56 cm. If it is bent in the form of a square find the side of the square.

3. A circular road runs around a circular garden. If the circumference of the outer circle and the inner circle are 110 metres and 88 metres, find the width of the road.

4. A road roller makes 1400 revolutions. If the radius of the roller is 2.5 m find the distance covered by a road roller.

5. Reena wants to put a lace on the edge of a circular table cover of diameter 3.5 m. Find the length of the lace required. Also find the cost of the lace if one metre of the lace costs Rs. 25.
please solve it fast its an emergency please please ​

Answer 1

Step-by-step explanation:

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