Question

In triangle ABC, angle a: angle b: angle c= 2:3:4. What is angle c?

Answer 1

Answer:

80

Step-by-step explanation:

if

the ratio is 2:3:4 then we will take the side as x

2x+3x+4x=180

9x=180

x=180/9

x=20

c=4x

c=4*20

=80

Answer 2

Answer:

80

Step-by-step explanation:

let angle be x

then ,

2x : 3x : 4x

add all

2x+3x+4x =9x

by angle sum property

angle a + angle b +angle c = 180

9x = 180

x =20

angle c=4x = 4×20

=80