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One angle in a triangle is 115 degrees. The other two angles are congruent. What is the measure of one of the missing angles?
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Feb 7, 2019
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One angle in a triangle is 115 degrees. The other two angles are congruent. What is the measure of one of the missing angles?
Mathematics
middle-school
LoneRanger
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Hey there! :)
Triangles measure 180°
1 side = 100°
180 - 100 = 80
The measure of both unknown angles = 80°
Both are congruent, or the same. That means you have to divide by 2.
80 ÷ 2 = 40
? = 40°
Hope this helps
:)
Gjohn
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Feb 12, 2019
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Gjohn
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