Answer:
what type of math is this? i can probably help
Step-by-step explanation:
Answer:
pi/2
Step-by-step explanation:
x-10= -30
move -10 to the other side
sign changes from -10 to +10
x-10+10= -30+10
x= -30+10
Answer:
x= -20
Answer:
30 degrees
Step-by-step explanation:
Because lines AB and CD are parallel, the angle rules such as same side interior angles, or opposite side exterior angles. Angle 4 and angle 8 are corresponding angles, which means that these angles are congruent. That means that measure of angle 8 would be 30 degrees.