Straight Angle -- from Wolfram MathWorld

A straight angle is an angle equal to 180 degrees=pi radians. Two right angles make a straight angle, and two straight angles make a full angle.

Steinmetz Solid - From Wolfram MathWorld, PDF

Math 307 - Winter 2024

How to Calculate the Sides and Angles of Triangles Using

How to construct a CFrame to be the half distance of a vector with

Trigonometric Addition Formulas -- from Wolfram MathWorld

Trigonometry -- from Wolfram MathWorld

Line -- from Wolfram MathWorld, line

algorithm - Line-Circle Interception (point,angle) - Stack Overflow

Congruence, Geometry, Transformations & Symmetry