SOLUTION: An obtuse isosceles triangle has one angle with a measure of 2x and another angle with a measure of 5x. What is the measure of the third angle of the triangle?

Question 934412: An obtuse isosceles triangle has one angle with a measure of 2x and another angle with a measure of 5x. What is the measure of the third angle of the triangle?
Answer by vicgonzerx(31) (Show Source): You can put this solution on YOUR website!
isosceles triangle ----has 2 equal sides and 2 angle are equal
given angle are 2x and 5x
we can say that the obttuse angle is 5x
so the third angle is 2x also
2x+5x+2x=180
x=20
2x=40
5x=100
note the total angle of a triangle is 180 degree

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