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.
Download ReportTranscript 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.
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.