Question

The measures of two angles of a triangle are 105° and 20° 55'. Find the measure of the
third angle.​

Answer 1

Answer:

The answer is 55°

Step-by-step explanation:

Given,

. measures of two angles 105°and 20°

Let the third angle be x

Therefore,

the third angle is x+105+20=180

125°+x=180

x=180-125=55°

Hope it will help you

Answer 2

Answer:

simple by using angle sum property

Step-by-step explanation:

let unknown angle is x°

105°+x°+20°55 = 180

then

x° = 54°5minutes