Question

3. The length of a rectangle is 150 cm. If its breadth is 1 m, then its
perimeter is
(a) 300 cm
(b) 250 cm
(c) 5 m
(d) 2.5 m​

Answer 1

Answer :- L of rectangle = 150 cm

B of rectangle = 1 m × 100 cm

= 100 cm

Perimeter of rectangle = 2(L+B)

= 2(150 + 100)

= 2(250)

= 500 cm

Thus answer = 500 cm or 5 m ( option c )

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Answer 2

5m

breadth = 1 m

1m = 100 cm

b = 100 cm

p= 2×(l+b)

p= 2×(150+100)cm

p=2×250cm

p=500cm

p=5m