200 m.
of fencing = Perimeter of the orchard
= 2 (length + breadth) = 2 (280 m + 200 m)
= 2 X 480 m = 960 m
4 rounds of fencing = 4 x 960 m = 3840 m
(3840 x 35) = 1,34,400.
EXERCISE 15 (A)
whose
S:
cm?
6. A rectangular field is 72 m by 58 m. Amar walks
round it at the rate of 3 km per hour. What time
will he take in taking 2 rounds. 10min2 uses
7. A rectangular garden is 120 m by 100 m. How
many rounds of this garden will a boy make if
he covers 2200 metres ? 5 rounds
8. A lid of rectangular box of sides 40 cm by 10 cm
is sealed all around with tape such that there is
an overlapping of 5 cm of the tape. What is the
neter
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Answer:
just search on net boy instead of typing here
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