Answer:
23
Step-by-step explanation:
20 *.15=3
20+3=23
∠ 1 = 120°
Note that ∠ Q and ∠ R are congruent, that is both 30°, thus
∠ 1 = 180° - (30 + 30)° = 180° - 60° = 120°
215
what do I need to answer? are those dots on a graph?
