It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two pairs of equal angles. The opposite ...

Theorem) 2. (Prove ... a parallelogram into two congruent triangles. • (Motivate) In a parallelogram opposite sides are equal, and conversely. • (Motivate) In a parallelogram opposite angles ...

Factorization of ax 2 + bx + c, a ≠ 0 where a, b and c are real numbers, and of cubic polynomials using the Factor Theorem ... (Motivate) In a parallelogram opposite sides are equal, and ...