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Broad Topics > 2D Geometry, Shape and Space > Triangle theorems

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Halving the Triangle

Stage: 5 Challenge Level: Challenge Level:1

Draw any triangle PQR. Find points A, B and C, one on each side of the triangle, such that the area of triangle ABC is a given fraction of the area of triangle PQR.

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Squareo'scope Determines the Kind of Triangle

Stage: 3

A description of some experiments in which you can make discoveries about triangles.


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