G7.4 Parallelogram Proofs (Pd 3/6/7)

Diagonals are perpendicular

Opposite sides are parallel

Opposite sides are congruent

$$\overline{BE}\ \cong\ \overline{CE}$$

$$\angle BAE\ \cong\ \angle DCE$$

$$\overline{AB}\cong\overline{BC}$$

$$\angle DAE\ \cong\ \angle CBE$$

57°

64°

59°

(1) 40º

(2) 70º

(3) 110º

(4) 140º

Not enough info

Yes, the opposite sides are parallel

Yes, the opposite sides are congruent

Yes, the diagonals bisect each other

Yes, the opposite angles equal

Yes, the opposite sides equal

Yes, the diagonals bisect each other

Yes, the diagonals bisect each other

Not enough info

Yes, the opposite sides are congruent

Yes, the opposite sides are parallel