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CBSE Class 9 Answered


Prove that the triangle formed by joining the mid points of the sides of an isosceles triangle is an isosceles triangle.

Asked by Topperlearning User | 11 Aug, 2017, 11:52: AM
Expert Answer
An isosceles triangle ABC                    
In ABC, AB = AC              
D, E and F are the mid points of sides AB, AC and BC respectively.
By mid point theorem
EF = DF
In DEF, EF = DF.
Hence, DEF is an isosceles triangle.
Answered by | 11 Aug, 2017, 01:52: PM
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