Given: Circumscribed ABCD, AB=5,
AD=8, CD=10.
Find: BC
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Answer:
Step-by-step explanation:
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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