If the length of the sides of an equilateral triangle be increased by 1 cm each, then the area of the triangle increases by `sqrt(3)`sq-cm. Find the length of the equilateral triangle.

If the sides of an equilateral triangle be increased by 2 cm each, the area of the triangle is increased by 2sqrt(3)cm^(2). Determine the length of each sides of the equilateral triangle.

If the height of an equilateral triangle be be 15 cm, then find the perimeter and area of triangle.

Draw an equilateral triangle whose sides are 5.2 cm. each

The circum radius of an equilateral triangle is 4cm. Find the inner radius of the triangle.

The length of the sides of an equilateral Delta ABC is 2 a units.Find the height of the triangle.

An equilateral triangle of side 6 cm. Its area is :

Draw the incircle of an equilateral triangle of side 7 cm.