Question

6, find the area of the shaded portion.
14 cm. In the adjoining figure
21.20 per
7. A garden is 120 m long and 80 m broad. In the middle of it there is a circular tank
of radius 14 m. Find the cost of turfing the remaining portion of the garden at the rate of 1.20
8. A goat is tied to a peg fixed at one corner of a rectangular field 30 m * 20 m by means of a
7 m long rope. Find
(a) the area of that part of the field in which the goat can graze.
(b) the increase in the grazing area if the rope were 14 m long
9. Four equal circles are described about the four corners of a square, so that each touches
two of the other as shown in Fig. Find the area of the shaded region, each side of the square measur​

Answer 1

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