Question

two angle of a triangle are of measure 75degree and 45degree . find the measure of the third angle
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Answer 1

Answer:

third angle is of 60

Step-by-step explanation:

Let the 3rd angle be x.

x + 75+ 45 = 180 ( angle sum property)

x = 180 - 120

x = 60

Answer 2

Answer:

sum of three angles of a triangle is 180°

Therefore ,

x + x +x = 180°

45°+75°+x =180°

120°+x=180°

Therefore,

x=180°-120°

=60°

Hence,the third angle is 60°