Question: how many straight edges does a hexagon have
Answer: Regular hexagon A regular hexagon Type Regular polygon Edges and vertices 6 Schläfli symbol ( 6 ) , t ( 3 ) Coxeter diagram Symmetry group Dihedral ( D ) , order 2 × 6 Internal angle ( degrees ) 120 ° Dual polygon Self Properties Convex , cyclic , equilateral , isogonal , isotoxal