Answer:
x = 47°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Subtract the sum of the 2 given angles from 180 for x
x = 180° - (31 + 102)° = 180° - 133° = 47°
Answer:
x=2 ,. y=y -3
Step-by-step explanation:
I hope it helps
Answer:
-40x+50
Step-by-step explanation:
-10(4x-5)
-40x+50
a. vertical angles are congruent
b. congruence of angles is transitive
c. if two lines are cut by a transversal such that alternate interior angles are congruent, then the lines are parallel
