Answer:
No
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
Answer:
3x +45°=180° (due to straight angle)
or, 3x= 180°-45°
or,3x= 135°
or,X=135°/3
X =45°.ans
The first one is correct and the others I can't really see the picture is blurry