#### 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 report#### Transcript 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.