SOLUTION: an isosceles triangle has a vertex angle of 40 degrees.what is the measure of the base angle?
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Question 921727: an isosceles triangle has a vertex angle of 40 degrees.what is the measure of the base angle?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
an isosceles triangle is a triangle that has sides of equal length=>
base angles are equal too
if base angle is and a vertex angle of degrees, then
.........the measure of the base angle
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