A compass, more accurately known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, it can also be used as a tool to step out distances, in particular, on maps. … By the mid-twentieth century, circle templates supplemented the use of compasses.

How do you draw all angles with a compass?

How do you use a compass to draw an angle with a ruler?

Constructing a 30º Angle

Step 1: Draw the arm PQ. Step 2: Place the point of the compass at P and draw an arc that passes through Q. Step 3: Place the point of the compass at Q and draw an arc that cuts the arc drawn in Step 2 at R. Step 4: With the point of the compass still at Q, draw an arc near T as shown.

How do you draw an angle with a compass?

How do you set up a compass pencil?

Holding the compass firmly from the top metal safety point, place the pointed end of the compass on the paper where you wish to draw the circle. Slowly rotate the compass around so that the pencil begins drawing the circle. Do not apply any pressure to the pencil or the width of your circle will change.

What is a drawing instrument which is used as a guide for the pencil when drawing a straight line?