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12-11-2021
Mathematics

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Two of the angles in a triangle measure 154° and 20°. What is the measure of the third angle?

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chessy0507 chessy0507

12-11-2021

Answer:

6°

Step-by-step explanation:

The angles in a triangle always add up to 180°. Let’s call the third angle x. That means that:

154 + 20 + x = 180 ->

174 + x = 180 ->

x = 180 - 174 ->

x = 6°

Hope that help! :)

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