ibeknaz1 ibeknaz1

Today at 9:33 PM
Mathematics

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The perimeter of parallelogram ABCD is equal to 10 cm. Find the length of diagonal BD if you know that the perimeter of △ABD is 8 cm.

Answer :

mkryukova19 mkryukova19

Today at 9:38 PM

2a+2b=10, a+b=5
a+b+d(diagonal)=8, 5+d=8, d=3(diagonal BD=3)

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