Honestly I don’t even know what
<h3> Answer:</h3><h2>a.215</h2>
I don't know in letter b.
#CaRRyOnLeArniNG
Answer:
∠ 1 = 120°
Step-by-step explanation:
Note that ∠ Q and ∠ R are congruent, that is both 30°, thus
∠ 1 = 180° - (30 + 30)° = 180° - 60° = 120°