CHAPTER-11 PERIMETER AND AREA (SET-1)

Questions in this test

1. The perimeter of the top of the rectangular table is $28m^2,$ whereas its area is 48m2. What is the length of its diagonal?
2. What is the area of the square ABCD of side 13cm ?
3. What is the area of a figure formed by a square of side 8cm and an isosceles triangle with the base as one side of the square and the perimeter as 18cm?
4. If the perimeter of a right-angled isosceles △ is $\sqrt{2}+1,$ then what is the length of the hypotenuse?
5. If $x$ is the length of a median of an equilateral △, then what is its area?
6. From a point in the interior of an equilateral △, the perpendicular distance of the sides are $\sqrt{3cm},2\sqrt{3cm},$ and $5\sqrt{3cm}$. What is the perimeter of the △?
7. ABCD is a square of area $1m^2$. P and Q are the midpoints of AB and BC respectively. What is the area of △DPQ?
8. If the weight of a △ is decreased by 40% and its base is increased by 40%, what will be the effect on its area?
9. The base of a triangular field is three times its height. If the cost of cultivating the field at ₹26.38 per hectare is ₹356.13, find the base and height of the field?
10. If the base of a parallelogram is $(x+4),$ altitude to the base is $(x-3)$ and the area is $(x^2-4),$ then what is the actual area equal to?