a 180 degree angle
The last major kind of angle is the straight angle. A straight angle is an angle that measures exactly 180 degrees.
straight angle
Straight angle
180 degree angle
Acute
That is a straight angle.
a line
an acute angle is an angle that is smaller than a straight angle (a straight angle is an angle that is perfect,in other words you can perfectly fit a corner of a papaer into it) :)
A straight angle is 180 degrees.
Straight line
A straight angle is an angle.
A straight angle is an angle of 180 degrees