2. In Fig 7.15, and D is the mid-point of .
(i) State the three pairs of equal parts in and
(ii) Is Give reasons.
(iii) Is Why?
Here in and
i) Three pair of equal parts are:
AD = AD ( common side )
BD = CD ( as d is the mid point of BC)
AB = AC (given in the question)
by SSS Congruency rule,
iii) As both triangles are congruent to each other we can compare them and say