Question

two angle of a triangle are of mesaures 60°and 75° . find the measure of the third angle​

Answer 1

Answer:

measure of third angle = 180°-(60°+75°) angle sum property

180°-135°

45° answer

Answer 2

accordin to angle sum property:-

60+75+$x$ = 180°

180-135 = 45°

therefore the sum of 3rd angle is 45°