180 degrees, no matter what triangle it is, it always adds up to 180 degrees because it has 3 sides.
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No-An equilateral triangle has equal angles, an obtuse angle is greater than 90. So, an equilateral triangle with an obtuse angle would have the three angles add up to a MINIMUM of 270.0000000000001, and a triangle's angles must add up to 180°.
No not ever because the 3 interior angles of any triangle add up to 180 degrees and so an obtuse triangle will have 1 obtuse and 2 acute angles.
An obtuse triangle has 1 obtuse angle and 2 different acute angles whereas the 3 angles add up to 180 degrees.
A triangle cannot have 2 obtuse angle because they would add up to over 180 degrees and the 3 angles in any triangle add up to 180 degrees.
Yes a triangle can have 1 obtuse angle and 2 acute angles that add up to 180 degrees.