Hello! I need some help,plz solve it
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Here's your answer
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Step-by-step explanation:
Let the one side be X
and it's adjacent side be 3/4 of X
3x/4
- In parallelogram opposite sides are equal
- so the length of all sides of the parallelogram are as X, 3x/4, X , 3x/4
The perimeter = Sum of All Sides.
70cm=X+3x/4+X+3x/4
70cm=2X+2(3x/4)
70cm=2X+6x/4
70cm=(2X×4+6X)/4
70cm=(8X+6X)/4
70cm=14X/4
14X=70cm×4
14X=280cm
X=280cm/14
X=20cm
- So 1st side =X=20cm
- 2nd side=3x/4=3×20cm/4=3×5cm=15cm
- 3rd side = 20cm
- 4th side = 15cm
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