Answer:
1. 37 degrees, 2. 39 degrees, 3. 27 degrees
Step-by-step explanation:
You look at the total angle and subtract it by the angle that is given in the question since the two angles should add up to the whole angle of both. You should look at the number that is outside the angles and subtract it by the angle number inside then you will get the missing angles. The last one it is showing a 90 degree angle which is formed so you subtract 63 from 90.
I think Ju Chan means minus 15 each time so it’s just 15 times four which equals 60 meters
You have to remember when you divide the sign flips and it doesn’t change to let’s say greater than or equal to it just changes to the opposite side
I don't know this sorry is there any other way I could help you