Answer: B
Step-by-step explanation:
Sum of interior angles of a triangle is 180
90+51.1=141.1
180-141.1=38.9
Answer:the answer is b
Step-by-step explanation:
2- x= -2 y= -1 so the slope is -1/-2
3- x= 2 y= 3 so the slope is 1 1/2
i’m not sure if this is right but i’m learning this as well