Question

2 angle A equal to 3 Angle B equal to 6 angle C find angle A + Angle B + angle C

Answer 1

2 A = 3 B = 6 C 

B = 2/3 A, 
C = 2/6 A = 1/3 A 

We know that 
Sum of interior angles of a triangle are 180°

A + B + C =180

A + 2/3 A + 1/3 A = 180°

2 A = 180

A = 90°

Hope helped!