Answer:
the answer may be 127.
Step-by-step explanation:when you add 90° + 37° you will get the answer 127
I am not sure.
Answer:
no error original system so good by
3:5:7:15
?:?:?:180
by using cross multiplication 3×180÷15=36
the measure of the smallest angle is 36°
Two hours earlier than the appointment start time, so he should get up at 6:45am, at latest.