Obtuse angle
An angle of 109 degrees is an obtuse angle.
straight angle.
An acute angle
A 90-degree angle is commonly called a right angle.
It is a reflex angle that is between 180 and 360 degrees.
An angle of 109 degrees is an obtuse angle.
109 degrees
19 degrees and 109 degrees respectively
In a tetrahedral molecule the characteristic angle between atoms is 109,5 degrees.
straight angle.
An acute angle
A bigger than 180 degrees angle
A 90-degree angle is commonly called a right angle.
an obtuse angle
revolution angle
An obtuse angle
109Supplementary angles add to 180 degrees. 180 - 71 = 109.