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Len [333]
3 years ago
13

Given: Circumscribed ABCD, AB=5,AD=8, CD=10. Find: BC

Mathematics
1 answer:
Lyrx [107]3 years ago
5 0

Answer:

BC=7

Step-by-step explanation:

The circle can be circumscribed into the quadrilateral, if the sums of the opposite sides of the quadrilateral are eqaul.

Thus,

AB+CD=AD+BC,\\ \\8+BC=5+10,\\ \\BC=15-8=7.

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