The length and breadth of a rectangle are 12 cm and 4 cm. respectively. Find the perimeter and area of the rectangle.

The height and the diameter of a cylinder are 6 cm and 14 cm respectively. Find the area of the whole surface.

The length and breadth of a rectangle are (5.7 +-0.1) cm and (3.4+- 0.2) cm. Calculate area of the rectangle‘with error limits.

A bucket is in the form of a frustum of a cone with capacity of 12,308.8 cm^3 of water. The radii of the top and bottom circular ends are 20 cm and 12 cm respectively. Find the height of the bucket and the area of the metal sheet used in its making (pi = 3.14) .

The areas of two similar triangles are 121 cm^2 and 64 cm^2 respectively.If the median of the first triangle is 12.1 cm find the corresponding median of the other.

The breadth of a rectangle is 5 cm. and its length is 3 times of the breadth. What is the perimeter of the rectangle?

The length and breadth of a rectangle are measured as (a +- deltaa) and (6 +-delta6) respectively. Find absolute error in the measurement of area

The length and breadth of a rectangle are measured as (a +- deltaa) and (6 +-delta6) respectively. Find relative error

The radii of two circle are 19 cm and 9 cm respectively.Find the radius of the circle having area equal to the sum of the area of the two circles.

The areas of two similar triangles are 169cm^2 and 121cm^2 respectively.If the longest side of the larger triangle is 26 cm.what is the length of longest side of the smaller triangle.