SubArea: TrianglesLevel: BProject ID: 1103077004Source Problem: 2010015305Accepted: 1Clonable: 1Easy: 0In a triangle ABC, a=15cm, b=6cm and the measure of the angle CAB is 120∘. Which of the following numbers gives as accurately as possible the measure of the angle ABC?20.27∘25.66∘60∘30∘