Question

in a triangle ABC an angleA angle B and angle C are in ratio 3,4,5 find all angles​

Answer 1

Step-by-step explanation:

let the angles 3x,4x,5x

3x+4x+5x=180( angle sum property)

12x=180

x=180/12x

x=15

3x=45

4x=15×4=60

5x=75