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A triangle has interior measures of 20° and 90°. What is the measure of the third angle?

A triangle has interior measures of 20° and 90°. What is the measure of the third angle?
asked 84.1k views
5 votes
A triangle has interior measures of 20° and 90°. What is the measure of the third angle?

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User Mukesh M
by
8.1k points

1 Answer

3 votes
Angles in a triangle sum to 180 degrees

180 - 90 - 20
= 70 degrees
answered
User Terez
by
8.2k points
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