eBooks E-Books Proof: Opposite angles of a parallelogram (K-A) Kites as a geometric shape (K-A) Intro to quadrilateral (K-A) Angles in a triangle sum to 180° proof (K-A) Terms & labels in geometry (K-A) Surface area using a net: rectangular prism (K-A) Specifying planes in three dimensions (K-A) Radius, diameter, circumference & Ï€ (K-A) Lines, line segments, & rays (K-A) Radius & diameter from circumference (K-A) Geometric definitions example (K-A) Perimeter & area of composite shapes (K-A) Euclid as the father of geometry (K-A) Perimeter & area (K-A) Intro to nets of polyhedra (K-A) Challenge problems: perimeter & area (K-A) « Previous 1 … 3,133 3,134 3,135 3,136 3,137 … 4,276 Next »