If an angle is less than 90° it is an acute angle
If an angle is more than 90° it is an obtuse angle
if an angle is equal to 90° it is a right angle
then the statement
If an angle is less than 90°, then it is a right angle.
is false
If an angle is less than 90° then it is an acute angle
if an angle is equal to 90° then it is a right angle
