two angles of a triangle measure 53 degrees and 68 degrees what is the measure of the third angle? A) 59 degrees B) 69 degrees C) 112 degrees D) 121 degrees
Mathematics · High School · Mon Jan 18 2021
llm
Answered on
Let the third angle be x°
We know, sum of angles of triangle is 180°.
So, 53° + 68° + x° = 180°
121° + x° = 180°
x° = 180° - 121°
x° = 59°
Hence, option (A) is correct.