1. UNIT 2 ANGLES by Maria Adrover CEIP S'ALGAR. PORTOCOLOM Geometry 3rd_Unit 2_Angles

2. DEFINITION When two straight angles meet they form four angles 3. PARTS OF AN ANGLE An angle has got a vertex and two arms 4. RIGHT ANGLES When two perpendicular lines meet form four right angles A right angle is 90 5. ACUTE AND OBTUSE ANGLES Smaller angles than 90 are called acute. Bigger angles than 90 are called obtuse. 6. Using the SET SQUARE 7. Using the SET SQUARE