Question

Triangle PQR is similar to triangle ABC in the figure below.



What is the perimeter of triangle ABC?

10.5 inches

39.9 inches

42.0 inches

60.65 inches

Answer 1

Hint: Use the proportion to find AC

Answer 2

You can see that AB/PQ=BC/QR=3.5 you just solve an easy equation since you know that AB/PQ=BC/QR=AC/PR

Answer 3

42.0?

Answer 4

no..

Answer 5

that was my first choice

Answer 6

I told you everything you need to know.. Take into account that the triangles are similar and solve the equation i gave you

Answer 7

@xaadi1993

Answer 8

what do you get when you solve

x/3 = 17.5/5

for x?

Answer 9

oh wait, I didn't see you say 42.0, that's the correct answer (hopefully you see how you get it?)

Answer 10

yes

Answer 11

ok great