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olchik [2.2K]
3 years ago
9

What is measure of line bd?

Mathematics
1 answer:
Dafna1 [17]3 years ago
5 0

Answer:

I believe it is 5

Step-by-step explanation:

Since the triangles are of the same proportions, we can use ratios. AC and AB represent the same side. Putting the smaller numbers on top, AB/AC = BD/CE. 4/12 = BD/15. Cross multiply. 12BD = 60. Simplify. 12/12 BD = 60/12. BD= 5. I hope that helped.

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