juanny1818
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.

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irspow
irspow irspow
  • 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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