first line indent marker.
A useable taxiway
A ruler is a straight edge
the edge
On the upper edge of each side
A ruler is a straight edge
To make a line parallel to a long edge, you can use a ruler or a straightedge alongside a T-square. The T-square ensures that the line you draw is perfectly parallel to the edge of the paper or surface. Alternatively, a drafting triangle can also be used in conjunction with a ruler to achieve the same result.
The circumference indicates the path and length around a circle, while a perimeter could be the edge (edge length) length of any regular or irregular shape, such as a square, rectangle, or triangle.
A ruler can be classed as a straight edge.
a triangle is not a vetexs a vertexs is a edge
horizontal ruler
Called a straight edge
A Ruler