Area MCQs

If the length of the diagonal of a square is 20 cm, then its perimeter must be :

The area of a square is twice that of a rectangle. The perimeter of the rectangle is 10 cm. If its length and breadth each is increased by 1 cm, the area of the rectangle become equal to the area of the square. The length of side of the square is :

In ΔPQR, side PQ = 32 cm and side PR = 25 cm. What is the measure of side QR ?

If the perimeter of a right-angled isosceles triangle is $$\left( {4\sqrt 2 + 4} \right)$$ cm, the length of the hypotenuse is :

A field in the form of a parallelogram has one side 150 metres and its distance from the opposite side is 80 metres. The cost of watering the field at the rate of 50 paise per square metre is :

The area of a circular field is equal to the area of a rectangular field. The ratio of the length and the breadth of the rectangular field is 14 : 11 respectively and perimeter is 100 metres. What is the diameter of the circular field ?

The areas of two circular fields are in the ratio 16 : 49. If the radius of the latter is 14 m, the what is the radius of the former ?

Two boys are running on two different circular paths with same centre. If their radii are 5 m and 10 m, the maximum possible distance between them is :

The minute hand of a clock is 7 cm long. Find the area of the sector made by the minute hand between 7 am and 7.05 am :