Answer :
A right angle is 90 degrees.
A straight angle is 180 degrees because it is just a straight line.
An acute angle can be 80 degrees - it is any angle that is less than 90 degrees.
An obtuse angle can be 100 degrees, as it is any angle over 90 degrees.
A straight angle is 180 degrees because it is just a straight line.
An acute angle can be 80 degrees - it is any angle that is less than 90 degrees.
An obtuse angle can be 100 degrees, as it is any angle over 90 degrees.