几何图形模板

GeometricshapesClipArt-PolygonsTriangle-3sidesSquare-4sidesPentagon-5sidesHexagon-6sidesHeptagon-7sidesOctagon-8sidesNonagon-9sidesDecagon-10sidesHendecagon-11sidesDodecagon-12sidesTridecagon-13sidesTetradecagon-14sidesPentadecagon-15sidesHexadecagon-16sidesHeptadecagon-17sidesOctadecagon-18sidesEnneadecagon-19sidesIcosagon-20sides24sides