A Solid cylinder has total surface area of 462 sq.cm. Its curved surface area is one third of the total surface area. Then the radius of the cylinder is

The distance between the centers of two circles having radii 4.5 cm. and 3.5 cm. respectively is 10 cm. What is the length of the transverse common tangent of these circles?

If circumference of first circle is 132 cm and circumference of second circle is 110 cm then find the difference between area of both the circle?

The diameter of a circle is 112 cm. What is the circumference of this circle? [use $$π={22\over 7}$$]

If S denotes the area of the curved surface of a right circular cone of height h and semi vertical angle ∝ then S equals

The perimeter of a right-angled triangle is 60 cm, and its hypotenuse is 26 cm. Find its area? 

A rectangular LCD has an area of 480 $${{cm^2}}$$ and a perimeter of 92 $${{cm^2}}$$ . If the size of the LCD is defined of the diagonal, then what the size of the LCD?

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).