Question
The diagram shows a rectangle ZACX, which is made up of square ZABY and rectangle YBCX. Figure D, E and F are squares and the area of square F is 4 cm2. The area of square D is 25 of the shaded area in rectangle YBCX and YG = GB. Find the unshaded area of rectangle YBCX.
4 m

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The diagram shows a rectangle ZACX, which is made up of square ZABY and rectangle YBCX. Figure D, E and F are squares and the area of square F is 4 cm2. The area of square D is 25 of the shaded area in rectangle YBCX and YG = GB. Find the unshaded area of rectangle YBCX.