Sides and corners of many shapesLesson 108 of the lessons course of Mova's primary school: 2 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0).0A triangle has 3 sides and 3 corners, a square 4, a pentagon 5 and a hexagon 6: a flat shape has as many corners as sides.1To count the sides of many shapes, multiply each kind by its number of sides and add: 2 triangles and 3 squares have 2 × 3 + 3 × 4 = 18 sides.← previousA missing side from the perimeter or the areanext →Faces, edges and corners of cubes↑ back to LessonsThis page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/lessons/108-sides-and-corners-of-shapes/