Illustration used to show how "to construct a tangent to a circle from a point outside."
Pattern that can be cut out and folded to construct a regular tetrahedron. Fold on the dotted lines,…
A thin flat slab of fired clay used for roofing
Illustration showing ambiguous case when the solution is not a triangle using law of sines.
Triangle construction when given two angles and the included side.
Development of a triangular pyramid.
Plan and elevation of a triangular pyramid.
Projections and development of a truncated cylinder.