The semi-circles in the triangles represent the verteces or different angles on certain points of the triangle.
-Hope this helped! :D
Answer:
Step-by-step explanation:
Okay so you are gonna substitute x for 5 so the equations will look like y= (5)2+(5)2
So 10+10 = 20
So y=20
Answer:
(-∞,4)
Step-by-step explanation:
the value is going down from the right until it reaches the vertex
