Question

the measure of angle of triangle is x (x-20) (x-40) find value of x​

Answer 1

Hi mate ,

X + (X-20) + (x-40) = 180 ( angle sum property)

3X - 60 = 180

3X = 240

X = 240/3

X = 80

hope this will be helpful

Answer 2

x + x-20 + x-40 = 180

3x = 240

x = 80