Answer:
120
Step-by-step explanation:
15*8=120
Answer:
34
Step-by-step explanation:
A triangle will add up to a degree of 180, so if you add those 2 angles then subtract it from 180 you will get the answer. So, 115+31=146 then 180-146=34
So the answer is 34
Answer:
Step-by-step explanation:
cos 43=cos (90-47)=sin 47