rowanshanna rowanshanna

09-04-2018
Mathematics

contestada

A triangle has angles that measure 70° and 30° what is the measure of the 3rd angle

Respuesta :

jcherry99 jcherry99

09-04-2018

Comment
All triangles have 180o. All triangles have 3 angles. Tri means three.
Let x be the third angle.

Equation and Solution
x + 70 + 30 = 180 Add the two angles together.
x + 100 = 180 Subtract 100 from both sides.
x = 180 - 100
x = 80

Answer
The third angle is 80 degrees <<<< answer.

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