# Proof without word

- Author:
- Daniel Mentrard

- Topic:
- Addition, Algebra, Area, Arithmetic, Cosine, Cube, Derivative, Equilateral Triangles, General Quadrilateral, Geometry, Incircle or Inscribed Circle, Integers, Isosceles Triangles, Line Segment, Mathematics, Median Line, Natural Numbers, Numbers, Perimeter, Polygons, Pyramid, Quadrilaterals, Rectangle, Rhombus, Sequences and Series, Sine, Solids or 3D Shapes, Square, Surface, Geometric Transformations, Triangles, Trigonometry, Volume