Click to see a step-by-step slideshow. …to create a cone, use the ruler to draw two lines outwards from the centre point of the circle - both at slight angles as above. Use the scissors to cut ...
Mark the 90° right angles in the bottom left and top right corners. You can split a rectangle into 2 right-angled triangles. Image caption, STEP 2: Use the compass to draw a circle. Put a dot ...