Name: SAT Math Help & School Math Mastery
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#30286

geometry

congruence

hard

90 sec

Triangles $A BC$ and $X Y Z$ are congruent, where $A$ , $B$ , and $C$ correspond to $X$ , $Y$ , and $Z$ , respectively. The measure of angle $A$ is $5 0^{\circ}$ and the measure of angle $B$ is $7 0^{\circ}$ . What is the measure of angle $Z$ ?

• 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.