Types of Angles
Acute angle (less than
)
Right angle (= to )
Obtuse angle (greater than )
Reflex angle (greater than )
Acute angle (less than
)
Right angle (= to )
Obtuse angle (greater than )
Reflex angle (greater than )
Use of Protractor
Line up the baseline with the drawn line and line up the centre of the protractor with the exact corner of the drawn angle. Read answer off the correct scale. Does your answer make sense?