The sum of the internal angles of a Euclidian (planar) triangle is 180 degrees, or PI radians. An obtuse angle is greater than 90 degrees or PI/2 radians. Therefore, there is not enough angle for two obtuse internal angles.
For example, if a triangle has one angle of 91 degrees, then it has 180-91=89 degrees left for the other angles, which is not enough for another obtuse angle.
Yes, a quadrilateral can have 2 obtuse angles.
No but they can have 2 obtuse and 2 acute angles
A rhombus has 2 obtuse angles
An obtuse triangle has 1 obtuse angle and 2 acute angles
no,it can have a maximum of 2 obtuse angles
No triangle has 2 obtuse angles
Yes, a quadrilateral can have 2 obtuse angles.
No but they can have 2 obtuse and 2 acute angles
A trapezium has 2 obtuse and 2 acute angles.
A rhombus have 2 obtuse angles
A rhombus has 2 obtuse angles
An obtuse triangle has 1 obtuse angle and 2 acute angles
no,it can have a maximum of 2 obtuse angles
It can have 0 or 2 right angles, 1 or 2 acute or obtuse angles.
parallelogram
No
a trapezoid :) * * * * * Not necessarily. A trapezoid can have two right angles, one acute and one obtuse angle. A parallelogram which is not a rectangle must have 2 acute and 2 obtuse angles.