If length of three sides of a trapezium other than base are equal to 10cm, then find the area of the trapezium when it is maximum.

If length of three sides of a trapezium other than base are equal to 10 cm, then find the area of the trapezium when it is maximum.

If the length of three sides of a trapezium other than base are equal to 10 cm. Than find the area of trapezium when it is maximum.

The three sides of a trapezium are equal, each being 6 cm long. Find the area of trapezium when it is maximum.

The measurements of the sides of a triangle are 20 cm, 30 cm and 40 cm. Find the area of this triangle.

The base of a triangle is 4cm longer than its altitude. If the area of the triangle is 48 sq.cm then find its base and altitude.

If the non-parallel sides of a trapezium are equal, prove that it is cyclic.

A point source of light is kept at a distance of 15cm from a converging lens,on its optical axis.The focal length of the lens is 10cm and its diameter is 3cm ,A screen is placed on the other side of the lens ,perpendicular to the axis of lens,at a distance 20cm from it.Then find the area of the illuminated part of the screen?

If the lengths of the sides of a triangle are decided by the three thrown of a single fair die,then the probability that the triangle is of maximum area given that it is an isosceles triangle, is

An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.