name two obtuse vertical angles.
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yes, there can be an obtuse internal angle in a triangle, but keep in mind that the other two angles' sums plus the obtuse angle can only equal 180 degrees (meaning that the other non-obtuse angles will be very small acute angles)
Triangles do not have to have any obtuse angles but they can have one.
It has 3 interior angles one of which is an obtuse angle and the other two are acute angles and the 3 angles add up to 180 degrees.
one
An obtuse angle is greater than 90° (and less than 180° ) The other two angles therefore total less than 90° and so both must be acute angles.