Question

3. part a
which theorems or postulates allow you to find the value of y?
a) vertical angles theorem and triangle angle-sum theorem
b) triangle exterior angles theorem and vertical angles theorem
c) triangles angle-sum theorem and angles addition postulate
d) angles addition postulate and triangles exterior angles theorem

Answer 1

part b
find the value of each variable
a) x=80,y=100
b) x=80,y=80
c) x=100,y=80
d) x=100,y=100

Answer 2

For part A, you would need to get the value of x and then the value of y.