Report

Missing Angles Our learning objectives today •To calculate missing angles on a straight line, around a point and in a triangle. •To use a protractor to draw and measure acute and obtuse angles to the nearest degree. What do you need to know? Angles in a triangle add up to................. 180° Angles on a straight line add up to....... 180° Angles around a point add up to............. 360° Calculate the missing reflex angle 313° 47° Calculate the missing straight line angle 69° 111° Calculate the missing reflex angle 234° 126° Calculate the missing triangle angle 89° 37° 54° Calculate the missing straight line angle 103° 35° 42° Missing Angles Our learning objectives today •To calculate missing angles on a straight line, around a point and in a triangle. •To use a protractor to draw and measure acute and obtuse angles to the nearest degree.