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Questions and Answers
Which of the following is a necessary condition for a quadrilateral to be a parallelogram?
Which of the following is a necessary condition for a quadrilateral to be a parallelogram?
- All angles are right angles
- Opposite angles are equal
- Opposite sides are equal in length
- Diagonals bisect each other (correct)
Which of the following is a trapezoid?
Which of the following is a trapezoid?
- A quadrilateral with no parallel sides
- A quadrilateral with four right angles
- A quadrilateral with all sides equal in length
- A quadrilateral with one pair of parallel sides (correct)
What is the sum of all interior angles in a quadrilateral?
What is the sum of all interior angles in a quadrilateral?
- 270 degrees
- 450 degrees
- 360 degrees (correct)
- 180 degrees
