D,E,F are the midpoints of triangle AB, BC ,CD respectively find all tha angles formed

Asked by mohammad anas ghori | 23rd Nov, 2013, 04:17: PM

Expert Answer:

In the figure, there is a triangle ABC. 
D, E and F are the mid-points of AB. BC and CA respectively. 
The mid-points are joined together and a different triangle namely DEF is formed. 
 
DE is parallel to the side BC of the triangle. 
From the Basic Proportionality Theorem (or B.P.T.), AD / AB = AE / EC
Hence:
 

Answered by Rashmi Khot | 24th Nov, 2013, 12:16: PM

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