SOLUTION: one of the base angles of an isosceles triangle is 40 degrees, Which is the triangle classification according to its angles?

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Question 550598: one of the base angles of an isosceles triangle is 40 degrees, Which is the triangle classification according to its angles?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
its an obtuse triangle
isosceles means 2 same sides and same angles
180-40-40=100
obtuse triangles have 1 angle thats greater then 90