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 figure. If the area of the trapezium PQCD is
56th part of the area of the rectangle, find the length QC.
![78136_2dbb47b3749b4788bcff5caf8447e459.PNG](https://search-static.byjusweb.com/question-images/toppr_ext/questions/78136_2dbb47b3749b4788bcff5caf8447e459.PNG)