A great variety of free geometry lessons. First start studying the prerequisites.
Prerequisites
Reasoning and Proof
Perimeter and Area of Shapes
The circle
Volume and Surface Area of Shapes
Congruence and Similarity
Transformations
Slope and standard form of a line
Pythagorean theorem
Geometric formulas
Construction in geometry
Analytic Geometry
Word problems in geometry
Math problem solving strategies
Common mistakes in math
Interesting topics
Geometry proofs
Area between four touching circles
Goal:
May 26, 22 06:50 AM
Learn how to find the area of a rhombus when the lengths of the diagonals are missing.