218k views
5 votes
Need help with my college test?

Find the indicated part for the similar triangles.

AB= 12 cm
BC= 30 cm
DE= 21.5 cm
Find EF?

Need help with my college test? Find the indicated part for the similar triangles-example-1
User Dammi
by
7.6k points

1 Answer

3 votes
The ratio between the triangles is 21.5 : 30 which is 43 : 60

We can use this proportion to find EF:

12 : x = 60 : 43

x = 43/5
User Aster Veigas
by
7.9k points