Question

In the figure below, triangle ABC is similar to triangle PQR.



What is the length of side PQ?

18

4

32

6

Answer 1

use ratio and proportion

BC : QR = AB : PQ

does that help?

Answer 2

@courtneycara17 you there?

Answer 3

no could you explain a little more please?

Answer 4

what is the value of BC

Answer 5

8?

Answer 6

right. and what is the value of QR

Answer 7

24

Answer 8

correct. and AB?

Answer 9

6

Answer 10

so now use proportions \[\huge \frac{ 8}{24} = \frac{6}{\ PQ}\]
can you solve for PQ now?

Answer 11

do i cross multiply?

Answer 12

yup

Answer 13

ok so 24x6=144

Answer 14

then..?

Answer 15

how do you cross multiply 8xpq?

Answer 16

\[\huge \overline {PQ} \times 8 = 144\]
now to isolat \(\overline {PQ}\) you have to divide both sides by 8

Answer 17

18

Answer 18

correct!

Answer 19

oh wow that was easy haha

Answer 20

indeed ^_^

Answer 21

:3