The side BC of a △ABC produced, such that D is on ray BC. The bisector of ∠A meets BC in L. Prove that ∠ABC + ∠ACD = 2∠ALC. [3 MARKS]

The side BC of a △ABC produced, such that D is on ray BC. The bisec

1.	The side BC of a △ABC produced, such that D is on ray BC. The bisector of ∠A meets BC in L. Prove that ∠ABC + ∠ACD = 2∠ALC. [3 MARKS]
Answer» The side BC of a $△$ ABC produced, such that D is on ray BC. The bisector of $∠$ A meets BC in L. Prove that $∠$ ABC + $∠$ ACD = 2 $∠$ ALC. [3 MARKS]