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19-09-2018
Mathematics

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A triangle has an angle that measures 115°. The other two angles are in a ratio of 3:10. What are the measures of those two angles?

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JiakSai JiakSai

19-09-2018

Answer: 15º and 50º

Explanation:

The angles in a triangle add up to 180.

180 - 115 = 65

3x + 10x = 13x

13x = 65

x = 5

3x = 15

10x = 50

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