Question

Given that ABC ~ DEF, if EF = 7.5 what is the length of ?

6.5
6
5
5.5

Answer 1

5

Explanation:

The triangles have a 2:3 ratio given by the heights of the triangles. We can assume the sides of the triangles must always form a 2:3 ratio with the sides. 5:7.5 forms 2:3 ratio if you divide 5/7.5. This equals .67, just as 2/3 does.