In the adjoining figure, find the measure of ∠BCD.

its answer is 45
 

how to solve plz tell i do not know at all....

Hi Hridaiy and Anonymous
Even i know the answer as its given at the back of the book.
Plz tell the method
Your friend Juhi

Please find this answer

Thank you Vaishnavi for your answer.
Your friend
Juhi

Hi, 
@ Vaishnavi: Good attempt!  But,  the reasons at some were incorrect. You wrote "linear pair", instead of "Co interior angles " as the reason while you solved to find angle 1 and 2.



Here is the correct solution:




Cheers!!