Herons Formula ...

The perimeter of an equilateral triangle is 60 m. The area is

The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

The area of an equilateral triangle with side \(2 \sqrt3\, cm\) is

The length of each side of an equilateral triangle having an area of \(9\sqrt3\, cm^2\) is

If the area of an equilateral triangle is \(16 \sqrt3\, cm^2\) , then the perimeter of the triangle is

The sides of a triangle are 35 cm, 54 cm and 61 cm, respectively. The length of its longest altitude

The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is

The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per \(cm^2\)  is

The perimeter of an isosceles triangle is 32 cm. The ratio of one of the equal sides to its base is 3 : 2. Find the area of the triangle.

The perimeter of a triangular field is 144 m and the ratio of its sides is 3 : 4 : 5. Find the area of the field.

The perimeter of a rhombus is 52 cm and one of its diagonals is 24 cm. Determine the length of the other diagonal.

The perimeter of an equilateral triangle is 60 m. What is its area?

The area of a triangle, two sides of which are 8 cm and 11 cm and the perimeter is 32 cm is \(k\sqrt3\, cm^2\). Find the value of k.

The sides of a triangle are 11 cm, 15 cm, and 16 cm. The altitude to the largest side is____.

The base of an isosceles triangle measures 24 cm and its area is 192 \(cm^2\). Find its perimeter.

What in the area of an equilateral triangle with side 2 cm?

A traffic signal board, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’. Find the area of the signal board, using Heron’s formula. If its perimeter is 180 cm, what will be the area of the signal board?