Distance covered by Riya in 1 round =
Distance covered by her in 5 rounds = (330
Hence, Riya covers 1650m in 5 rounds.
=2(110+55) m = (2 *
Exercise - 2
1) Find the perimeter of each of the rectangles with
a. Length = 36 cm, Breadth = 29 cm.
b. Length = 7 m, Breadth = 5 m.
c. Length = 2 m 60 cm, Breadth = 1m 90 cm.
d. Length = 12.6 m, Breadth = 9.4 m.
ulur nicture frame is 54 cm long and 30
Answers
Step-by-step explanation:
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(a)2(l+b)=2(36+29)
=2(69)
=94m
(b)2(l+b)=2(7+5)
=2(12)
=24m
(c)2(l+b)=2(l+b)
=2(2.6+1.90)
=2(4.5)
=9m
(d)2(l+b)=2(12.6+9.4)
=2(22)
=44m
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Answer:
a) length = 36cm
breadth = 29cm
perimeter of rectangle = 2(l+b)
=) 2×36+29 = 130cm
b) length = 7m
breadth = 5m
perimeter of rectangle = 2(l+b)
=) 2×7+5 = 24m
=) 24m = 2400cm
c) length = 2m 60cm
=) 260cm
breadth = 1m 90cm
=) 190cm
perimeter of rectangle = 2(l+b)
=) 2×260+120 = 760cm
d) length = 12.6m
=) 1260cm
breadth = 9.4m
=) 940cm
perimeter of rectangle = 2(l+b)
=) 2×1260+940 = 4400cm
Hope it helps <3