Symmetry of an equilateral triangle

Area of an equilateral triangle

The perimeter of an equilateral triangle is 168 m. What is the length of the side of the equilateral triangle ?

Perimeter of an equilateral triangle.

Area of an equilateral triangle of side a is given by (sqrt(3))/(4)a^(2) square units.If the area of an equilateral triangle is (16)/(3)cm^(2), then its side is. If the perimeter of an equilateral triangle is equm,then its area is given.If the side of an equilateral triangle is 16cm, then the area of the triangle is

The circumference of a circle is equal to the perimeter of an equilateral triangle. If the radius of the circle is 7 cm what is the length of the equilateral triangle ?

Which of the following has only 2 lines of symmetry? (a) Equilateral triangle (b) Rhombus (c) Circle (d) None of these

Which of the following has an infinite number of lines of symmetry? (a) Equilateral triangle (b) Isosceles triangle (c) Regular hexagon (d) Circle