Question

Given ~ and AB = 20, CA = 8, and US = 9, what is ST?

Answer 1

ABC~STU

Answer 2

@amistre64 @welshfella

Answer 3

\(\sf \color{red}{AB} C = \color{red}{ST}U\)

Answer 4

So what's our answer going to be?

Answer 5

20 but people kept saying it was 22.5

Answer 6

20 is correct.

Answer 7

http://brainly.com/question/284332

Answer 8

It shows this, right? ≅

Answer 9

ABC ≅ STU

Answer 10

yes the equal to sign

Answer 11

Oh..I think he's right.

Answer 12

lol

Answer 13

Yes..we set up a proportion..

US and CA are similar to each other.

So there's a proportion.

\(\sf \dfrac{9}{8} = \dfrac{x}{20}\)

Cross multiply

Answer 14

180/8

Answer 15

8 * x = 8x
9 * 20 = 180

\(\sf 8x = 180\)

Answer 16

Yep.

\(\sf x = \dfrac{180}{8}\)