If BC = 15, BE = 6, DC = 12, and AD = 8, then segment DE is parallel to segment AB.

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Scott Colby asked May 23, 2022

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If BC = 15, BE = 6, DC = 12, and AD = 8,
then segment DE is parallel to segment
AB.

Mathematics
high-school

Scott Colby asked May 23, 2022

by Scott Colby

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Solution: if BC = 15 - 6 = 9

Use the converse of triangle proportionality theorem

AD/DC = 8/12 = 2/3
BE/EC = 6/9 = 2/3

Answer: yes, AD/DC =BE/EC = 2/3, so DB||AB

Jotafeldmann answered May 26, 2022

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19 votes

Do you have a picture? Your question isn’t making sense love

MichaelK answered May 28, 2022

by MichaelK

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