PLS HELP ASAP I DONT HAVE TIME FOR THIS, IT ALSO DETECTS IF ITS RIGHT IR WRONG

PLS HELP ASAP I DONT HAVE TIME FOR THIS IT ALSO DETECTS IF ITS RIGHT IR WRONG class=

Answer :

Answer:

120

Step-by-step explanation:

Add angle ABC and angle CBD together.

answer is 120, 30 degree angle plus 90 degree angle