SAT Math Practice Question #39109 - SATify | SATify
#39109
angles
similarity
geometry
hard
90 sec
Calculator OK
Triangles ABC and DEF are similar, with A, B, and C corresponding to D, E, and F, respectively. The measure of ∠B is 2x∘, and the measure of ∠E is (x+30)∘. If AB=10 and DE=15, what is the length of BC if EF=12?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
