An equilateral triangle has all sides of different length.

An equilateral triangle of side 9 cm.

Equilateral triangle has one line of symmetry.

State true or false: An equilateral triangle has two lines of symmetry.

Find the area of an equilateral triangle of sides8 dm each.

An equilateral triangle has side length 8. The area of the region containing all points outside the triangle but not more than 3 units from a point on the triangle is :

Find the area of an equilateral triangle whose each side is 4 cm.

What is the area of an equilateral triangle whose sides is 'a'?