Question

(Take it = 3.14)
Juhi's mother is ordering a new door mat for their front door. The mat is a semicircle and the straight side of
the mat is 84 cm. What is the perimeter of the mat?
5. A copper wire when bent in the form of a square encloses an area of 121 cm². If the same wire is bent in the
form of a circle, find the area enclosed by it.
6. The minute hand of a circular clock is 14 cm long. How far does the tip of the minute hand move in 2 hours?
7. A well of diameter 150 cm has a 30 cm wide parapet running around it. Find the area of the parapet
.
8. A cow is tied to the base of a pole with a 11 m long rope. The cow moves keeping the rope tight
. Find the area
of the ground swept by the rope in one complete rotation of the cow.
[Take n = 3.14]
A circular carpet of diameter 2.8 m is spo
tted in the centre with a 20 cm striped border. Find the area of the
striped portion of the carpet to the nearest cm².
10. A round table has a diameter of 2.5 m. Monika wants to use a table cloth that has a diameter of 3.5 m. What
the area to the nearest tenth of a metre of the part of the table cloth that will hang down the side of the table
11. The total area of the triangle below is 300 cm². The area outside the circle is 221.5 cm². What is the radius
the circle?
O
ng on the shorter sides. Find the area if the L​

Answer 1

Answer:

Step-by-step explanation:

The answer will be 3.14