Which of the following is/are the necessary condition(s) for a quadrilateral to be a parallelogram?
(a) Its diagonals bisect each other.
(b) Opposite angles are equal.
(c) Opposite sides are equal and parallel to each other
(d) All of the above
Answers
Answered by
1
c
opposite sides are equal and parallel to each other
Answered by
2
Answer:
answer D is correct
Step-by-step explanation:
Properties of parallelograms
Opposite sides are congruent .
Opposite angels are congruent .
Consecutive angles are supplementary.
If one angle is right, then all angles are right.
The diagonals of a parallelogram bisect each other.
Each diagonal of a parallelogram separates it into two congruent triangles.
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