Answer:
Y ≈ 59.0°
Step-by-step explanation:
Using the Cosine rule
cosY = 
with x = 22, y = 20, z = 18
cosY = 
= 
=
, then
Y =
(
) ≈ 59.0° ( to the nearest tenth )
Answer: C
Step-by-step explanation:
3) Vertical angles are congruent.
4) Corresponding angles tehorem
5) Transitive property of congruence
Answer:
if you are looking for a possible solution
x + 3y = 3
3 + 3(0) = 3
2x + y = 11
2(4) + 3 = 11
Step-by-step explanation: