When you have two squares stacked on top of each other, pretend the angle in the bottom left of the top square is a 90 degree angle, that means that the angle of the square right underneath, also sharing the line, is a 90 degree angle. Or whatever you would need to get it equal to 180, my example was 90/90.
Answer:
54 and 30
Step-by-step explanation:
84÷2=42-12=30
42+12=54
Answer:
One
Step-by-step explanation:
A, B, R and C lie on the same plane, while the others do not
Answer:
y=13
Step-by-step explanation:
