SAT Math Practice Question #21207 - SATify | SATify
#21207
similarity
geometry
medium
90 sec
Calculator OK
Triangles PQR and STU are similar, with P corresponding to S, Q to T, and R to U. If the measure of ∠R is 40∘ and PQ=21ST, what is the measure of ∠U ?
• 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.