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kumpel [21]
3 years ago
12

Find the length of BC. A.) 14 B.) 9 C.) 2 D.) 3

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

A) 14

Step-by-step explanation:

BC is congruent to DC in saying this you can plug the equations to each other and solve for y and then put its back into the equation for BC to get the length.

3y+5=5y-1

subtract 3y from both sides --> 5=2y-1

add 1 to both sides --> 6=2y

now get y alone, divide by 2 by both side --> y=3

plug y in back to 5y-1 --> 5x3-1

15-1

BC = 14

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