True or false?
An acute angle is smaller than a right angle.
True or false?
An acute angle is smaller than a right angle.
True or false?
One of the angles in a rectangle may be an acute angle.
Is a plane angle greater than an obtuse angle?
Is a right angle greater than an obtuse angle?
True or false?
An acute angle is smaller than a right angle.
The definition of an acute angle is an angle that is smaller than 90 degrees.
Since an angle that equals 90 degrees is a right angle, the statement is true.
True
True or false?
One of the angles in a rectangle may be an acute angle.
One of the properties of a rectangle is that all its angles are right angles.
Therefore, it is not possible for an angle to be acute, that is, less than 90 degrees.
False
Is a plane angle greater than an obtuse angle?
Yes
Is a right angle greater than an obtuse angle?
Not true