The line segment joining the midpoints of two sides of a triangle is parallel to the 3rd side and is equal to

The line segment joining the midpoints of two sides of a triangle is

1.	The line segment joining the midpoints of two sides of a triangle is parallel to the 3rd side and is equal to
A.	double to its length
B.	3/4 of its length
C.	1/2 of its length
D.	2/3 of its length
Answer» D. 2/3 of its length