Media Summary: In parallelograms, the opposite sides are equal, and the opposite angles are equal. Drawing a If a triangle has two sides equal to two sides in another triangle, and the angle between them is also equal, then the two triangles ... The area of a parallelogram is equal to the base times the height.
Euclid S Elements Book 1 Proposition 33 Parallel Lines 4 - Detailed Analysis & Overview
In parallelograms, the opposite sides are equal, and the opposite angles are equal. Drawing a If a triangle has two sides equal to two sides in another triangle, and the angle between them is also equal, then the two triangles ... The area of a parallelogram is equal to the base times the height. Mr Bradley's step by step board presentation of