Objectives
Students will:
- Prove that opposite angles of a parallelogram are congruent.
- Prove that rectangles are parallelograms with congruent diagonals.
- Prove that a parallelogram is a rectangle if and only if its diagonals are congruent.
Skills Needed
Students must be able to:
- Apply theorems for congruent triangles.
- Apply theorems for angles formed by parallel lines intersected by a transversal.
- Be able to follow and create proofs.
