Quadrilaterals 3

Question 1

Theorem 7

Answer 1

If the diagonals of a quadrilateral bisect each other then it is a parallelogram

Question 2

Theorem 8

Answer 2

The line segment joining the mid-points of the two sides of a triangle is parallel to the third side

Question 3

Theorem 9

Answer 3

The line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side

Question 4

Theorem 10

Answer 4

A quadrilateral is a parallelogram if a pair of opposite sides is equal and parallel.