Question

In the Adjoining figure, Angle ACD=30°, and Angle ABD=60°. Is the Triangle ABD an equilateral triangle?​

Answer 1

Answer:

SUM OF ALL ANGLES OF A TRIANGLE IS 180°. THAT IS ANGLE ACD + ANGLE ABD + ANGLE BAD = 180°. IN EQUILATERAL TRIANGLE ALL ANGLES ARE 60°. THUS TRIANGLE ABD IS NOT AN EQUILATERAL TRIANGLE.