Total length of the wire = 4 × length of the square = 4 × 55 = 220 cm So, circumference of the circle = 220 cm Radius of the circle = {220/(2π)} = {220 × 7/44)} = 35 cm Area of the circle formed = (22/7) × 35 × 35 = 3850 cm2
The length of the side of a cube is 7 cm. What is the total surface area of the cube?
A circular cylinder and a hemisphere have the same radius (r) and the height of the cylinder is equal to the diameter of the hemisphere. Find the ratio...
Length and breadth of a rectangular field is (x + 3) cm and (x – 5) cm, respectively. If the cost of ploughing the field at a rate of Rs. 9 per cm² i...
A square is converted into a rectangle by increasing its length by 30 % and decreasing its width by 10%. Which of the following statements is true?
A cylindrical tank has a height of 10 meters and a radius of 7 meters. If the tank is filled with water up to half of its height, find the volume of wat...
The curved surface area of cylinder P is 16632 cm2 whose height and radius are (y+2) and (z-7) respectively. The radius of cylinder Q is ...
A street of width 25 metres surrounds from outside a rectangular garden whose measurement is 190 m × 220 m. The area of the path (in square metres...
When the ratio of the length and breadth of the rectangle is given as 3:2. If the perimeter of the rectangle is equal to the perimeter of the square, wh...
A wire is bent to form a square whose sides are of 88 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...
If the area of a square field is 361 m2, then find the diagonal of the square field.