Question

find the value of x

Answer 1

the small triangle and big triangle are similar, try settingup a proportion

Answer 2

The whole triangle and the smaller, internal triangle are similar (SAS)

Answer 3

how do i do that?

Answer 4

proportion - u need to take ratios of corresponding sides and equate them :-

\(\large \frac{x}{80} = \frac{32}{40}\)

solve x

Answer 5

x=64?

Answer 6

perfect !

Answer 7

yay! thank you :)

Answer 8

np :)