The triangle BAC has two known measurements 30 and 90 so add those together and subtract by 180
30 + 90 = 120
180 - 120 = 60°
Answer:
3π/4
Step-by-step explanation:
its SAS so yes they're congruent
(x+10)²=x²+20x+100
.................
3 2/3
4 1/3 - 2/3 = 3 2/3 OR 11/3
answer to the question is A