In the figure below, DE || AB. 15 in. (x+3) in. E+ 9 in. (x-1) in. What is the length, in inches, of BC?

Trigonometry (MindTap Course List)
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Chapter3: Additional Topics In Trigonometry
Section3.2: Law Of Cosines
Problem 5ECP
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In the figure below, DE | AB.
15 in.
(x3) in.
9 in.
(x-1) in.
What is the length, in inches, of BC?
O 14
O 16
O 22
O 26
Transcribed Image Text:In the figure below, DE | AB. 15 in. (x3) in. 9 in. (x-1) in. What is the length, in inches, of BC? O 14 O 16 O 22 O 26
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