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luda_lava [24]
4 years ago
14

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.
Mathematics
1 answer:
Lynna [10]4 years ago
6 0
2a+2b=10, a+b=5
a+b+d(diagonal)=8, 5+d=8, d=3(diagonal BD=3)
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