Try this suggested option, answers are marked with colour.
Answer:
angle: 71
x = -3
Step-by-step explanation:
step 1: 180-(55+54) = 71
step 2: x+74=71 (subtract 74 from both sides)
step 3: x=-3
step 4: -3+74=71
The supplement of a 9 degree angle is 171 degrees.
Answer:
I think A is the answer
but D is the correct answer "kunno"
Step-by-step explanation:
hope it helps :)
