Answer:
The measure of angle 1 is 55.
Step-by-step explanation:
The top angle= 75 because of the vertical angle theorem
The right angle= 50 because of the alternate exterior angle theorem
75+50=125
There are 180 degrees in a triangle so the angle has to equal 55
Answer: 0
Step-by-step explanation:
the answer is 0
The answer to the question is d
...........................
Answer:
Step-by-step explanation:

= 12 - 3
= 9

= -8 - 4
= -12

= -60 + 12
= -48

= -2 + 2
= 0

= 17

= 1