For the angle: $CAD$

State what type of angle it is.

Estimate its size in degrees (Use a protector to measure the actual size of each angle to the nearest degree).

 

Some protectors, like the one shown on the above, are circular.

How is this different from the $180°$ protector?

Some protectors, like the one shown on above, are circular.

Write instructions to teach someone how to use a circular protector to measure the size of an obtuse angle?

Some protectors, like the one shown on above, are circular.

How would you measure a reflex angle with a circular protector?

Use a ruler and protector to accurately draw the angle: $ABC=80°$

Use a ruler and protector to accurately draw the angle: $PQR=30°$

Use a ruler and protector to accurately draw the following angle: $XYZ=135°$

Use a ruler and protector to accurately draw the angle: $EFG=90°$

Use a ruler and protector to accurately draw the angle: $KLM=210°$