Question

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​

Answer 1

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 2

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

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