Correct: octagon: 8 sides, triangle: 3 sides, triangles: 3 angles, quadrilateral: 4 sides, hexagon: 6 sides, pentagon: 5 sides, polygon: 3 or more sides, triangle, octagon, hexagon, right angle, smaller than a right angle , larger than a right angle, ray, pentagon, 5 angles , 4 sides, 4 angles , Incorrect: octagon: 9 sides, quadrilateral: 5 sides, quadrilateral, pentagon: 4 sides, quadrilateral: 3 angles, hexagon: 8 angles, octagon: 6 angles, hexagon: 7 sides, triangle: 10 sides, triangle: 5 angles,

Polygons and Angles

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恢復自動保存: ?