Question
The figure is made up of two squares and a triangle. The ratio of the area of Triangle Q to that of Square S is 7 : 1. The ratio of the shaded area to that of the unshaded area is 1 : 3. If the difference between areas of Triangle Q and Square R is 510 cm2, what is the area of Square S?
3 m

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The figure is made up of two squares and a triangle. The ratio of the area of Triangle Q to that of Square S is 7 : 1. The ratio of the shaded area to that of the unshaded area is 1 : 3. If the difference between areas of Triangle Q and Square R is 510 cm2, what is the area of Square S?