Answer:
1. 180° ∑triangle angles=180°
2. 2x
3. 52°
The measure of and adjacent angle is less than the measure of the exterior angle
Answer:
It should be $34
Step-by-step explanation:
321 - 15 = 306 ÷ 9 = 34
120 + 120 + X + X = 360
240 + 2X = 360
2X = 120
X = 60
Answer:
(1, 4)
Step-by-step explanation:
y=x+3
y=3x+1
y=x+3
x+3=3x+1
x=3x-2
-2x=-2
x=1
y=1+3
y=4