Question

What is the measure of 13 years ago

Answer 1

57

Answer 2

Thanks!

Answer 3

126

Answer 4

no u are wrong @pkjha3105

Answer 5

/:

Answer 6

57 is the right answer @marcoduuuh

Answer 7

i have just blocked u @marcoduuuh !!

Answer 8

What was all that about? :-/

Answer 9

<DAB has to be an obtuse angle.

Answer 10

i thnk 126 is correct ans.

Answer 11

^ External angle theorem, yes.

Answer 12

@marcoduuuh , this can be proved by using internal angle theorem to find <BAC, then seeing that <DAB forms a linear pair with (is supplementary to) <BAC.

Answer 13

@marcoduuuh 126 is the correct ans.....as internal angle was 54...

Answer 14

Alright, thanks.