to that of a square whose side is equal to the breadth of the rectange!
17. How many envelopes can be made out of a sheet of paper 125 cm by 85 cm, supone
requires a piece of paper of size 17 cm by 5 cm?
whose breadth is 1.5 dar. Which plot has the greater area and by how much?
19. It costs 8704 to tence a square field at the rate of 8.50 per metre. Find the area of the
18. Two plots of land have the same perimeter One is a square of side 60 m, while
20. A room is 8 m long, 7.6 m wide and 3 5 m high. The wals are to be compared win 25
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Answer:
(17) answer :-
Area of sheet of paper = l×b
= 125×85
Area of envelope = l×b
= 17×5
No. of envelopes = (area of sheet of
paper) ÷ (area of
envelope)
= (125×85)÷(17×5)
= 125 evelopes
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