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Here are five rods of different lengths.

10cm. 8cm. 6cm. 4cm. 2cm. Here are five rods of different lengths. 10cm. 6cm. 8cm. 4cm. 4cm. 8cm. 10cm. The rods can be joined end-to-end to make triangles. Here are two examples. Each of these triangles is … Scalene (because all its sides are different lengths).

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Here are five rods of different lengths.

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  1. 10cm 8cm 6cm 4cm 2cm Here are five rods of different lengths.

  2. 10cm 6cm 8cm 4cm 4cm 8cm 10cm The rods can be joined end-to-end to make triangles. Here are two examples • Each of these triangles is … • Scalene (because all its sides are different lengths). • Obtuse (because one of its angles is greater than 90).

  3. 10cm 8cm 6cm 4cm 2cm • Combine rods to make as many different types of triangle as possible. • What are the different types of triangle can you make? • What properties does each triangle have and how do you know? • Also find a combination of rods that cannot make a triangle, and explain why not.

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