Alvin Transparent Academic Triangles

10" Academic Transparent Triangle 30°/60° 12" Academic Transparent Triangle 30°/60° 4" Academic Transparent Triangle 30°/60° 6" Academic Transparent Triangle 30°/60° 8" Academic Transparent Triangle 30°/60° 10" Academic Transparent Triangle 45°/90° 12" Academic Transparent Triangle 45°/90° 4" Academic Transparent Triangle 45°/90° 6" Academic Transparent Triangle 45°/90° 8" Academic Transparent Triangle 45°/90° Triangle Set, A set of clear acrylic triangles (8 3/4" 45/90° and 10" 30/60°) with 16ths of an inch graduations on two edges