A dining-room chair usually has an upright back, forming a 90 degrees angle. If a chair has a back more than 90 degrees (leans back) the angle becomes obtuse.
Obtuse Angle That would be an obtuse angle as the degrees are over 90, but less than 180.
Any angle between 90 and 180 degrees is an obtuse angle. Therefore: 160 degrees is an obtuse angle.
some objects that has an obtuse angle is a pentagon, laptop and the objects that is greater than 90 degrees
A pentagon.
It is not! An umbrella is a 3-dimensional object while an obtuse angle is 2-dimensional.
A obtuse angle is called an obtuse angle because if obtuse means bigger in degrees and a right angle is 90 degrees than a obtuse angle must be over 90 degrees.
An obtuse triangle has an obtuse angle.
110 degrees creates an obtuse angle.
The angle of the backs of chairs are at an obtuse angle to the seat. There are some straight back chairs that are 90 degrees but most are over 90 degrees.
An obtuse angle has no complementary angle.
An obtuse angle.
An obtuse angle.