A rectangle or square is presented with a triangle inside the shape.
The 3 corners of the triangle are touching the sides of the rectangle/square.
Such questions require students to use the concept that triangle is half of the area of the rectangle/square that it shares its base and height with.
These questions appear can appear in both Paper 1 and in Paper 2.
For the purposes of this practice,
calculator usage is allowed.
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Triangular and other shaped dices |
The figure below consists of a square with an area of 200 cm².
Triangle BDF has its 3 corners touching the sides of the square.
AB, AF, BC and EF have the same length as each other.
What is the area of triangle BDF?

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