EVELOPING PROOF For Exercises 1-10, state whether each statement is ways true, sometimes true, or never true. Use sketches or explanations support your answers. 1. The diagonals of a parallelogram are congruent. 2. The consecutive angles of a rectangle are congruent and supplementary. 3. The diagonals of a rectangle bisect each other. 4. The diagonals of a rectangle bisect the angles. Coas for E