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2 years ago

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

Mathematics

1 answer:

Phoenix [80]2 years ago

7 0

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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