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Two of the angles in a triangle measure 56° and 21°. What must be the measure of the third angle?
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5 votes
Two of the angles in a triangle measure 56° and 21°. What must be the measure of the third angle?

User Nyree
by
4.5k points

2 Answers

6 votes

Explanation:

the sum of all interior angles in triangle is 180°

180-(56+21)=103°

the third angle is 103°

User Seaon
by
5.3k points
6 votes

Answer:

282

Explanation:

56+21 = 78

360-78

User Poitroae
by
4.7k points
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