Answer:
measure of angle 1=180-123=57°[exterior angle is supplementary]
Answer:
A) t = -3
Step-by-step explanation:
We have the expression
and we have to find the value of t.
First we are going to reorder the expression:

Now we have to multiply each side by 2,

Subtract (-12) in both sides,

Divide both sides in 2,

The answer is option A) t = -3.
The answer is 480 because 144/3 is 48. You multiply 48 and 10 to get 480
Answer:
∠2 = 146°
Step-by-step explanation:
∠2 and ∠6 are corresponding angles and are congruent, hence
∠2 = ∠6 = 146°