Question

A triangle has angle that measure 40 and 80. What is the meausure of the third angle of the triangle.

Answer 1

Answer:

The measure of third angle is

40+80+X=180

120+X =180

X= 180-120

=60

Answer 2

Answer:

60

Step-by-step explanation:

We know,

Sum of all angles in triangle is 180.

Here given,

40 and 80

Let us take the third angle as 'x'

=>40+80+x=180

=>120+x=180

=>x=180-120

=>x=60

Hope it helps....