Respuesta :

vxannyy

All three angles on a triangle always equal 180°.

Example: 100°+40°+40°=180°

102+39=141°

180-141=39°

x = 39°

Brelynn1210
You add both the numbers up and see what they get. Then you subtract that number from 180 since that is always what a triangle equals, therefore your answer is 39

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