Question

The ratio of the angles in a triangle is 2:3:4. What is the measure of the largest angle?

30°
60°
80°
20°

Answer 1

D) 20

Explanation:

Set up an equation: 2x+3x+4x=180

9x=180

180/9=20

Answer: D) 20degrees

Answer 2

80

Explanation:

you can take the ratio 2:3:4 as

2x + 3x + 4x = 180

9x = 180

x= 20

4(20) = 80