the perimeter of a parallelogram is 92cm , if one side is greater than its adjacent side by 10cm,find its side.
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21
Sides of parallelogram = a cm, and , a+10 cm
Perimeter = 2 (a + a+10 )
= 4 a + 20 = 92 cm
So a = 18 cm
Adjacent side = 18+10 = 28 cm.
Perimeter = 2 (a + a+10 )
= 4 a + 20 = 92 cm
So a = 18 cm
Adjacent side = 18+10 = 28 cm.
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Answered by
10
Let one side of the parallelogram be x cm
The length of the other side be x + 10 cm
The perimeter of parallelogram = 92 cm
⇒ x + x +10 + x + x + 10 = 92
⇒ 4x + 20 = 92
⇒ 4x = 72
⇒ x = 18
The length of the side of parallelogram is 18 cm
Its adjacent side is 28 cm
The length of the other side be x + 10 cm
The perimeter of parallelogram = 92 cm
⇒ x + x +10 + x + x + 10 = 92
⇒ 4x + 20 = 92
⇒ 4x = 72
⇒ x = 18
The length of the side of parallelogram is 18 cm
Its adjacent side is 28 cm
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