S Purkayastha Solutions for Chapter: Area of Polygons, Exercise 4: Multiple Choice Questions

The area of the square whose diagonal is $18 \mathrm{cm}$ is.

The adjacent sides of a parallelogram are $25 \mathrm{cm}$ and $20 \mathrm{cm}$. If the perpendicular distance between the longer side is $12.5 \mathrm{cm}$, then the distance between the shorter sides is.

If the radius of a circle is increased two times its original value, then the circumference of the circle will increase to

The ratio of the area of square to that of a square drawn on its diagonal is

The parallel sides of a trapezium are in the ratio $3:5$ . The area of a trapezium is $384 {\mathrm{cm}}^2$. The distance between them parallel sides is $12 \mathrm{cm}.$Find the length of smaller parallel sides is.

The altitude of rhombus area is $175 {\mathrm{cm}}^2$ and perimeter is $100 \mathrm{cm}$ is.

The area of a trapezium is $98 {\mathrm{cm}}^2$and its height $7 \mathrm{cm}$ if one of the parallel side $6 \mathrm{cm}$ longer than the other find the length of the parallel side​ is,

The area of rectangle is $400 {\mathrm{m}}^2$ if the sides are doubled, then the area becomes