The base and perpendicular height are at right angles. Showing that a parallelogram has the same area as a rectangle: Split the parallelogram into a right-angled triangle and a trapezium. Move the ...
A worksheet on proving a quadrilateral is a rectangle. Students will have to solve five problems in which they will have to draw the relevant figure and then prove that a quadrilateral is a rectangle ...
To be able to find the area of triangles. The lesson uses students pre-existing knowledge of areas of rectangles and parallelograms to workout how to find areas of triangles. Through a series of ...
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