juanny1818 juanny1818

18-07-2017
Mathematics

contestada

Find the length of the third angle of a triangle given that the first two angles are 35 and 70. Show your work.

Respuesta :

18-07-2017

The sum of angles in a triangle must be 180°. So the third angle is:

α+35+70=180

α+105=180

α=75°

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