Answer:
See attachment.
Explanation:
Step 1
Draw a 5 cm horizontal line.
Label the endpoints of the line Q and R.
Step 2
Use a protractor and measure an angle of 80° counterclockwise from point Q.
Draw a 7 cm straight line from point Q at the angle of 80°.
Label the endpoint of this line P.
Step 3
Join points P and R with a straight line.