Question

Triangle ABC is similar to triangle DEF. Solve for r.

Answer 1

9





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Answer 2

9

Explanation:

since they're similair then similair sides will be proportional

CB is similair to EF

`(6)/(8)`=
`(3)/(4)`

same thing if you try with the hypotenuse AB similair to DE

`(13.5)/(18)`=
`(3)/(4)`

So, if you multiply r (DF) by 3/4 you will get the similair side AC

rx 3/4=12

r= 12÷ 3/4

r=16