Question
Mary painted a grey square on rectangle RSTU as shown. The length of ST is twice of VT. The length of RU is 12 of RS. Find the area of the unpainted part of the rectangle RSTU.
4 m

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Mary painted a grey square on rectangle RSTU as shown. The length of ST is twice of VT. The length of RU is 12 of RS. Find the area of the unpainted part of the rectangle RSTU.