If the circumference and Area of a circle are numerically equal, then diameter of the circle is
The difference between the circumference and radius of a circle is 37 cm. The area od circle is
A wire can be bent in the form of a circle of radius 56 cm. If it is bent in the form of square then its area is
If a wire is bent into the shape of a square, then the area of square is 81 sq cm.When wire is bent into a semicircular shape , then the area of semicircle is
A circular park has a uniform path of uniform width around it. The difference between the outer and inner circumferences of the circular path is 132 m. Its width is
The radius of wheel is 0.25 m. The number of revolutions it will make to travel a distance of 11 km will be
The ratio of outer and inner perimeters of a circular path is 23 : 22. If the path is 5 m wide, the diameter of inner circle is
The circumference of a circle is 100 cm. The side of square inscribed in the circle is
In a cylinder, if radius is doubled and height is halved, curved surface area will be
If the diameter of the base of a closed right circular cylinder be equal to its height h, then its whole surface area is