Question

In the figure, ABCD is a rectangle and its AC= EC and D is the midpoint of AE. Find how many pairs of congruent Triangles are there. Write the congruence in a symbolic form

Answer 1

for triangles ABC,ADC
AB=DC
BC=AD
AC=AC
by SSS congruence rule
same as per all

Answer 2

Answer:

3 pairs,∆ABC=∆ADC;∆ADC=∆EDC;∆ABC=∆EDC