Find the perimeter of a rectangle in which:
(i) length = 16.8 cm and breadth = 6.2 cm
(ii) length = 2 m 25 cm and breadth = 1 m 50 cm
(iii) length = 8 m 5 dm and breadth = 6 m 8 dm
Find the perimeter of a square, each of whose sides measures:
(i) 3.8 cm
(ii) 4.6 m
(iii) 2 m 5 dm
Find the radius of a circle whose circumference is 176 cm.
The following figures are drawn on a sheet of squared paper. Count the number of squares enclosed by each figure and find its area, taking the area of each square as 1 cm square
.
The top of a table measures 2 m 25 cm by 1 m 20 cm. Find its area in square meters.
How many envelopes can be made out of a sheet of paper 3 m 24 cm by 1 m 72 cm, if each envelope requires a piece of paper of size 18 cm by 12 cm?
A room is 13 m long and 9 m broad. Find the cost of carpeting the room with a carpet 75 cm broad at the rate of Rupees 65 per meter.
The length and the breadth of a rectangular park are in the ratio 5 : 3 and its perimeter is 128 m. Find the area of the park.
The sides of a rectangle are in the ratio 7: 5 and its perimeter is 96 cm. The length of the rectangle is
(a) 21 cm
(b) 28 cm
(c) 35 cm
(d) 14 cm
The area of a rectangle is 650 cm sq and its breadth is 13 cm. The perimeter of the rectangle is
(a) 63 cm
(b) 130 cm
(c) 100 cm
(d) 126 cm
The area of a rectangular carpet is 120 m sq and its perimeter is 46 m. The length of its diagonal is
(a) 15 m
(b) 16 m
(c) 17 m
(d) 20 m
The length of the diagonal of a square is 20 cm. Its area is
(a) 400 cm sq
(b) 200 cm sq
(c) 300 cm sq
(d) 100√2 cm sq
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