If a circle of radius `'a'` inside an equilateral triangle, then prove that minimum perimeter of be `6sqrt3 a.`

If the side of an equilateral triangle is 6 cm, then its perimeter is

Perimeter of an equilateral triangle.

In an equilateral triangle with side a, prove that the altitude is of length (a sqrt3)/2

In an equilateral triangle with side a, prove that, the altitude is of length (sqrt(3))/(2)a .

In an equilateral triangle with side a, prove that area =(sqrt(3))/(4)a^(2)

The altitude of an equilateral triangle is sqrt3 cm . What is its perimeter?

In an equilateral triangle with side a, prove that, the area of the triangle (sqrt(3))/(4)a^(2) .

The inradius of an equilateral triangle is sqrt(3)cm, then the perimeter of that triangle is

P, Q, R and S are the points on the circumference of a circle of radius r, such that PQR is an equilateral triangle and PS is a diameter of circle. What is the perimeter of the quadrilateral PQSR?