![Page 1: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/1.jpg)
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.
![Page 2: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/2.jpg)
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°
![Page 3: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/3.jpg)
Calculate the missing reflex angle
47°
313°
![Page 4: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/4.jpg)
Calculate the missing straight line angle
69° 111°
![Page 5: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/5.jpg)
Calculate the missing reflex angle
126°
234°
![Page 6: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/6.jpg)
Calculate the missing triangle angle
54°
89°
37°
![Page 7: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/7.jpg)
Calculate the missing straight line angle
42°
103°35°
![Page 8: 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](https://reader035.vdocument.in/reader035/viewer/2022071806/56649db35503460f94aa31e4/html5/thumbnails/8.jpg)
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.