Respuesta :

Answer:

To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.

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Answer:

it depends, I can't see which angle for some reason, but a triangle has a total of 180 degrees

Step-by-step explanation: