P5/P6 Math: Area (Overlapping Triangles in Rectangle)

The question presents 3 triangles overlapping each other within a rectangle.

An area that is clipped out within the rectangle is given.

The length and breadth of the rectangle is also provided.

Each of the heights of the 3 triangles is also the breadth of the rectangle.

This question often appears in Paper 1 of P5 exams.
Calculator usage is not allowed.

More overlapping triangles in rectangles questions here.

The Triangle Musical Instrument 

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P5/P6 Math: Overlapping Triangles in a Rectangle

The concept of "Triangles in Rectangle" is commonly tested in P5 once the students have learnt how to find the area of triangles.

Such questions usually appear in P5 and P6 Paper 2.
Calculator usage is allowed.

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The question below will randomize with different numbers every hour. 

Copy below question down before making attempt.

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