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Find the measure of the missing angle using the triangle angle sum theorm.

Find the measure of the missing angle using the triangle angle sum theorm.-example-1

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2 votes
20 degrees, because 70 degrees+ 90 degrees (what’s given) = 160 degrees. And then the entire sum of a triangle all the degrees always = 180, so 180-160= 20!
User Sid Sarasvati
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6 votes

Answer:

20 degrees

Explanation:

One angle is 70 degrees and the other is 90. Angles of a triangle add up to 180. 180 - 70 - 90 = 20. The final angle is 20 degrees.

User Themelis
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8.9k points

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