Changing the ruler ... the Eyedropper tool.) Drag from the starting point to the ending point. Hold down the Shift key to constrain the tool to 45° increments. To create a protractor from ...
Centre the protractor on the same end of the line and make a dot at 40°. From the same end, use a ruler to draw a line through the dot, crossing the arc. Label the length 7 cm and the angle 40°.