Question

1. A wire of length 154 cm is bent in the form of a circle. Find the area of the circle so formed.
2. The diameter of a wheel of a bus is 98 cm. Find the distance travelled by the bus in 1500
rotations of the wheel.
3. A car travels 11 km in 5000 revolutions of the wheel. Find the circumference and the diameter of the wheel.
4. The area of a circle is 144 times the area of another circle. Find the ratio of their circumferences.
5. A cow is tied to a pole in a park with a string 21 m long. Find the area over which the cow can graze.
6. A wire is in a circular shape of radius 35 m. If it is bent in the form of a square, what will be the area of the square
formed ?
7. A steel wire of length 220 cm is bent into the form of a circle. Find the area of the circle so formed.
8. A rectangular park is 80 m long and 30 m broad. In the middle of the park there is circular tank
of radius 14 meters. Find the cost of turfing the remaining portion at the rate of ₹3.50 per
square meter.​

Answer 1

Answer:

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Step-by-step explanation:

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