Measuring angles
When measuring angles, make sure that the centre of the protractor is over the The point where two lines meet is called the vertex. In a 3D shape this is the corner point. (corner) of the angle and that the base line of the protractor is along one of the lines of the angle.
Question
Use the protractor to measure the following angle:
\(40 ^\circ \)
Question
Use the protractor to measure the following angle:
\(70 ^\circ \)
Question
Use the protractor to measure the following angle:
\({135}^\circ\)
Question
Use the protractor to measure the following reflex angle:
The reflex angle is:
\({360}^\circ - {120}^\circ = {240}^\circ\)
