Select the statement in if-then form.
An acute angle measures less than 90 degrees
AIf an angle is an acute angle, then the angle measures less than 90 degrees.
BIf an angle is not an acute angle, then the angle measures less than 90 degrees.
CIf an angle measures less than 90 degrees, then it is an acute angle .
DIf an angle measures less than 90 degrees, then it is not an acute angle .
An acute angle measures less than 90 degrees
AIf an angle is an acute angle, then the angle measures less than 90 degrees.
BIf an angle is not an acute angle, then the angle measures less than 90 degrees.
CIf an angle measures less than 90 degrees, then it is an acute angle .
DIf an angle measures less than 90 degrees, then it is not an acute angle .