Question
The figure shows four rectangles J, K, L and M not drawn to scale. The areas of rectangles J, K and L are 20 cm2, 28 cm2 and 15 cm2 respectively. What is the area of rectangle M?
4 m

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The figure shows four rectangles J, K, L and M not drawn to scale. The areas of rectangles J, K and L are 20 cm2, 28 cm2 and 15 cm2 respectively. What is the area of rectangle M?