If the sum of the measures of <1 and <2 is 180°, what is the sum of the measures of <3 and <4?
A.90°
B. 360°
C.120°
D. 180°

If the sum of the measures of lt1 and lt2 is 180 what is the sum of the measures of lt3 and lt4 A90 B 360 C120 D 180 class=