SOLUTION: △ABC and △A′B′C′ are similar triangles. Side AB and A′B′ are of length 2 and 6, respectively. Side BC and AC are of length 3 and 7. What

Algebra ->  Triangles -> SOLUTION: △ABC and △A′B′C′ are similar triangles. Side AB and A′B′ are of length 2 and 6, respectively. Side BC and AC are of length 3 and 7. What       Log On


   

Question 287193: △ABC and △A′B′C′ are similar triangles. Side AB and A′B′ are of length 2 and 6,
respectively. Side BC and AC are of length 3 and 7. What is the length of side B′C′?
A. 7 B. 5 C. 10 D. 1 E. None of these.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2/6=3/x
18=2x
x=9
check
2/6=3/9
1/3=3/9
ok
E. None of these