Place the protractor on the other end of the first ... In this case use the lengths 8 cm, 4 cm and 5 cm. Set the compass width to 5 cm. Place the compass at the other end of the line and draw ...

Set the compass width to 7 cm. Place the compass at one end of the line and draw an arc. Image caption, STEP 2: Centre the protractor on the same end of the line and make a dot at 40°.