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Pencil Problem. An Investigation. The diagrams show a number of pencils of various sizes. A pupil picks up three pencils at random and forms a triangle. How many different triangles can he actually form? How many of these triangles will be right angled triangles?. Solution 23 possibilities
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Pencil Problem An Investigation
A pupil picks up three pencils at random and forms a triangle. • How many different triangles can he actually form? • How many of these triangles will be right angled triangles?
Solution 23 possibilities 5,12,13 8,15,17 give the right angled triangles.