Question

how to take parallel here?
​

Answer 1

Answer:

Explanation:

D is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABCD is the midpoint of the side BC of a ∆ ABC . E is any point on DC. Through the point D a straight line parallel to EA is drawn which intersects AB at the point F. Prove that ∆ BEF = ½ ∆ ABC