find the lengths QC and PD.

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7. The dimensions of a rectangle ABCD are 51 cm × 25 cm. A trapezium PQCD with its parallel sides QC and PD in the ratio 9 : 8, is cut off from the rectangle as shown in the Fig. 12.6. If the area of the trapezium PQCD is 5/6 th part of the area of the rectangle, find the lengths QC and PD.
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7. The dimensions of a rectangle ABCD are 51 cm × 25 cm. A trapezium PQCD with its parallel sides QC and PD in the ratio 9 : 8, is cut off from the rectangle as shown in the Fig. 12.6. If the area of the trapezium PQCD is 5/6 th part of the area [...]
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Tags: 7. The dimensions of a rectangle ABCD are 51 cm × 25 cm. A trapezium PQCD with its parallel sides QC and PD in the ratio 9 : 8 , find the lengths QC and PD. , is cut off from the rectangle as shown in the Fig. 12.6. If the area of the trapezium PQCD is 5/6 th part of the area of the rectangle ,