Theorem: A line parallel to one side of a triangle divides the other two proportionately.
1 answer:
Answer:
c
Step-by-step explanation:
C. BD= 20
Use similar triangles to write a proportion and then cross multiply to solve.
AE: AC = AD:AB
(ONCE YOU KNOW AB YOU CAN SUBTRACT AD FROM AB TO GET BD =20)
So, 15:40 = 12: AB=32. now 32-12 = 20 so BD = 20
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Answer:
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Step-by-step explanation:
Answer:
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