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Mathematics 10 Online
OpenStudy (anonymous):

a triangle with two angles each measuring 40 degrees i an acute triangle true or false?

OpenStudy (ybarrap):

since the other angle is 180 - 2*40 = 100 which is greater than 90 degrees, this is an obtuse triangle. Ans. False.

OpenStudy (anonymous):

Actually thats true it is an acute triangle. you do not add up all the angles. if individually they are less than 90 degrees it is in fact acute

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