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In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if its perimeter is 80 cm.
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In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if its perimeter is 80 cm.

User Cydonian
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1 Answer

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25 cm, the diagonal forms a 3/4/5 right triangle. YEA BOI.
User Ja
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