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## Answers

*Sum of angles in a triangle=180 degree*

*Let the 3rd angle be x.*

*⇒x+60+70=180*

*⇒x=180-130=50*

*Ans:The 3rd angle is of 50 degree.*
Let 3rd angle be x

x + 60 + 70 = 180

x + 130 = 180

x + 60 + 70 = 180

x + 130 = 180

**x = 180 - 130 = 50**°