Hey thanks to the ppl who helped me last time with the others but I only need one more and this is due today like again so pls help! Tysmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm!!!!!!!!

Answer:
9• 70°
10• 65°
11• 40°
12• 75°
Step-by-step explanation:
1•