Question

in a triangle, vertex a = 5x-60 degree vertex b = 2x + 40 degree vertex c = 3x-80 degree find x

Answer 1

Answer:

x = 8

Step-by-step explanation-

angle A +angle B +angle C =180 degree / angle sum property

5x-60+2x+40+3x-80=180

10x-100=180

10x=180-100

10x =80

x=80/10

x=8