Question extracted from RD sharma of class 10th, Chapter no. 4
Chapter name:- Triangles
Exercise :- 4.2
This is very basic and important questions. And has been asked in several times in exams.
In this question we have ΔABC,
In which D and E are points on the sides AB and AC respectively.
Now we have to show that DE ∥ BC
Also it is given AB= 12 cm, AD = 8 cm, AE = 12 cm, and AC = 18 cm.
learning CBSE maths in effective way.
RD sharma, DHANPAT RAI publication