NCERT Mathematics Class 9 Exemplar Ch 12 Heron՚s Formula Part 6 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Q. 7. The dimensions of a rectangle ABCD are A trapezium PQCD with its parallel sides QC and PD in the ratio , is cut off from the rectangle as shown in the Fig. 12.6. If the area of the trapezium PQCD is th part of the area of the rectangle, find the lengths QC and PD.

The Dimensions of a Rectangle ABCD Are 51 Cm × 25 Cm


Q. 8. A design is made on a rectangular tile of dimensions as shown in Fig. 12.7. The design shows 8 triangles, each of sides Find the total area of the design and the remaining area of the tile.

A Rectangular Tile


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