This "p"-word describes two lines that will never touch
Parallel
Perpendicular
Right Triangle
SSS (side-side-side)
<ABC
Angle ABC
This "o"-word describes an angle larger than 90 degrees and less than 180 degrees
Obtuse
Acute Angles
Equilateral Triangle
ASA (angle-side-angle)
ll
Parallel
If two triangles have angles measures in common, they could be described with this "s"-word
Similar
Alternate Interior Angles
Isosceles Triangle
SAS (side-angle-side)
~
Similar
This word begins with a "c" and means that two shapes are identical
Congruent
Corresponding Angles
Equilateral Triangle
AAS (angle-angle-side)
~
=
Congruent
You might informally call the intersection point of two sides a "corner" but the correct term begins with a "v".
Vertex
What "t" term is correct for describing the red lines?
Transversal
Scalene Triangle
HL (hypotenuse-leg)