Determine whether each quadrilateral is a parallelogram. Justify your answer. 118°
62
62
118
Yes, both pairs of opposite sides are congruent
B. Yes, both pairs of opposite angles are congruent.
C. Yes, both pairs of opposite sides are parallel.
D. NO, none of the tests for parallelograms are fulfilled.

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step-by-step explanation:

i dont really.know

answer: answer is b.

[m < b = 120º]

step-by-step explanation:

answer:

step-by-step explanation:

answer: the proof is mentioned below.

step-by-step explanation:

since, given:   lines bc = ef

prove:   lines ac > ef

          statements                                           reason

1. bc=ef                                           1. given

2. ac= ab+bc                                 2. because b is the point between the  

                                                            line segment ac

3.   ac > bc                                       3. because if a line segment is equal to

                                                          the sum of two line segments then it is

                                                          always greater then each of these

                                                          individual line segments

4. ac > ef                                         4. by equality property.