Question

the perimeter of a parallelogram is 140 CM if one of the side is longer than the other by 10 cm find the length of each of its side
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Answer 1

Step-by-step explanation:

2x{x+(x+10)}=140

2x+2x+20=140

4x+20=120

4x=140-20

4x=120

x=120/4

x=30

lenght=40

breath=30

Answer 2

Answer:

perimeter of parallelogram = 2(l + b)

140 = 2(x + x + 10)

140 = 2x + 2x + 20

140 = 4x + 20

4x = 140 - 20

4x = 120

x = 120/4

x = 30

1st side = x

⟹ 30cm

2nd side = x + 10

⟹ 30 + 10

⟹ 40 cm

Area of parallelogram = base × height

perimeter = 2 (l + b)

where,

l = length

b = breadth

a = area

p = perimeter

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