Answer:
what does d equal?
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer: angle 1=129 degrees
Step-by-step explanation:
180 - 99 - 30 = 51
all the angles of a triangle should add up to be 180 degrees
51+99+30=180
angle 1 is supplementary to the angle that is 51 degrees so it would be 129 degrees. 180-51=129
I would say the answer is 5, please let me know if it’s right!
Simplify both to 1/2 because both numerators are half of their denominators. Then multiply straight across to 1/4.