Question

19. Each side of a square is 45 cm and a rectangle has length 50 cm. If the perimeters of both
(square and rectangle) are same, find the breadth of the rectangle. ​

Answer 1

Answer:

40 cm

Step-by-step explanation:

perimeter of square=4*side=4*45=180cm

perimeter of rectangle = 2(l+b)

=2(50+b) =180 ..... perimeters are the same

50+b=180/2

b=90-50

b=40cm

Hope it helps....

Answer 2

Step-by-step explanation:

perimeter of square = perimeter of rectangle

4*side = 2(l+b)

4*45 = 2(50+b)

180 = 100+2b

180-100 = 2b

80 = 2b

80/2 = b => 40 cm is the breadth

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