Find the area of triangle ABC below?

aops

1 Answer
May 11, 2018

See below

Explanation:

In this triangle we know that

tan30=6/(AB)=sqrt3/3 by definition of tan. How ever AB is the base of triangle...then AB=18/sqrt3=18sqrt3/3=6sqrt3

Finally the area is given by S=(AB.h)/2=(6sqrt3·6)/2=18sqrt3 square untis