Question

3. In Fig. 9.21, AB || DC and AB = DC.
(i) Is ZBAC = ZDCA? Why?
(i) IS AABC = ACDA by SAS congruence condition?
(iii) State the three facts you have used to answer (ii).

Fig. 9.21​

Answer 1

Answer:

I. Alternate interior angle.

2. yes

3. AB=DC (Given)

angle BAC= angle DCA (Alternate interior angle)

AC=AC (Common)

Answer 2

Answer:

I don't know because I am anpad gwar