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a triangle has two angles with measures of 40 degrees and 60 degrees. What is the measure of the third angle?
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a triangle has two angles with measures of 40 degrees and 60 degrees. What is the measure of the third angle?

User Victorvartan
by
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1 Answer

8 votes

Answer:

80 degrees

Explanation:

The sum of the angles of a triangle is 180 degrees.

Let the third angle be x.

Add all the quantities and subtract the answer from 180.

So: 180= 40+60+x

180-100=x

80=x

User Frank B
by
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