Answer:
A. 45°
Step-by-step explanation:
When we are given two measurements of interior angles we add both of those angles together.
Also know that a triangle equals 180 degrees
So when we write out this expression
Hope this helps
Answer:
b, k = -4
Step-by-step explanation:
3/2 = k + 11/2
=> 3/2 - 11/2 = k
=> -8/2 = k
=> k = -4
Answer:
y=20
Step-by-step explanation:
2y+21 = 3y+1
Subtract 2y from both sides,
21 = 3y-2y +1
Subtract 1 from both sides,
y = 20