Answer:
1. 70 2. 85 3. 63 4. 20 5. They are vertical angles
Step-by-step explanation:
Im pretty sure the answer is 20
Step-by-step explanation:
This is the answer.... Working shown
Answer: D. all real numbers less than or equal to –3
<span>supplementary angles sum = 180
</span>lets x = measure of angle Y
x + 3x = 180
4x = 180
x = 45
angle Y = 45
angle X = 3 x 45 = 135
answer
Angle X = 135
