kinglg123 kinglg123

26-11-2016
Mathematics

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abel drew some triangles.his drawing had 21 vertices. how many triangles did he draw?write a division equation to answer the question

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baabaagreysheep baabaagreysheep

26-11-2016

Vertices are corners, and one triangle has 3 corners. Therefore, 21 ÷ 3 = 7 triangles

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