Question

The three angles of a triangle are x,(x+20) and (2x+40) find he sizes of the angle?

Answer 1

Answer:

30 , 50 , 100

Step-by-step explanation:

Sum of all angles of triangle = 180

==: x + x + 20 + 2x + 40 = 180

==: 4x + 60 = 180

==: 4x = 120

==: x = 30

Angles = x = 30

            = x + 20 = 50

            = 2x + 40 = 100

Pls mark my answer as brainlist

Pls follow me

Answer 2

Answer:

Mark as brainlest

Step-by-step explanation:

we have. x,(x+20),(2x+40)

now -. x+(x+20)+(2x+40)=360° [sum of all

angles of a

triangle is 360°]

x+x+20+2x+40=360°

4x+60=360°

4x=360-60

x=300/4

x=75

then, angle 1 =75°

angle 2 = 75+20 = 95°

angle 3 = 2*75+40 = 190