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Presentation transcript:

© T Madas

© T Madas What is a right angle? Quarter turn Right angle Half turn Straight line 2 Right angles Three quarter turn Full turn

© T Madas T y p e s o f A n g l e s Acute angle Right angle Obtuse angle Straight angle Reflex angle

© T Madas What do we use for measuring angles? In what units does it measure angles? Why does it have a double scale? Protractor Degrees, °

© T Madas What type of angle is it? Acute angle Less than 90° 40°

© T Madas What type of angle is it? Obtuse angle greater than 90° 120°

© T Madas

Estimate the following angles 36° 95° 65° 25° 127° 46° 108° 167°

© T Madas 41° 85° 56° 16° 136° 46° 96° 178° Estimate the following angles

© T Madas 319° 275° 304° 344° 225° 316° 265° 185° Estimate the following angles

© T Madas

Estimate the following angles 36° 95° 65° 25° 127° 46° 108° 167°

© T Madas 41° 85° 56° 16° 136° 46° 96° 178° Estimate the following angles

© T Madas 319° 275° 304° 344° 225° 316° 265° 185° Estimate the following angles

© T Madas