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Primary 5 Problem Sums/Word Problems - Try FREE

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The perimeter of rectangle PQRS is 168 cm and its length to width ratio is 2:1

The ratio of the area of rectangle VSTU to the area of rectangle PQRS is 1:2

SR = TW = 2VS and W is the midpoint of SR.

One semicircle inside rectangle VSTU has an area of 77 cm2

Find the area of the shaded portion.

The correct answer is : 1610
`cm^2`