intersecting lines
Mutually Perpendicular
The phrase is a "conic section".
Those are known as conic section, and they are described by equations of degree 2.
area
1
intersecting lines
line segment
line
The description given fits that of a right angle triangle
line segment
Mutually Perpendicular
Altitude
co linear
altitude
i agree
The line will be going 'uphill' from left to right