if two angles of a triangle have measures of 42 degrees and 20 degrees what is the measure of the third

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07-02-2018
Mathematics

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if two angles of a triangle have measures of 42 degrees and 20 degrees what is the measure of the third

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DrPepper21 DrPepper21 · Answer 1 · 2018-02-07T23:17:39+01:00

DrPepper21 DrPepper21

07-02-2018

Every triangle has an angle measure of 180 degrees.

so 42+20+x (where x is the measure of the third angle)=180

Combine like terms.

62+x=180

Subtract 62 from both sides

x=118.

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