Question

The angles of a triangle are in the ration 3: 4: 5. Find the greatest
angle.
(a) 30°
(b) 45°
(c) 60°
(d) 75°​

Explain solution

Answer 1

Answer:75°(d)

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let the angles be 3x 4x 5x

3x+4x+5x=180

12x=180

x=180/12x=15

3*15=45

4*15=60

5*15=75

so the greatest angle is 75degree