The base of an equilateral triangle with side 20cm lies along x-axis such that the mid-point of the base is at the origin. Find the vertices of the triangle

The base of an equilateral triangle with side 2a lies along the y-axis such that the mid point of the base is at the origin. Find the vertices of the triangle.

The base of an equilateral triangle with side 2a lies along the y–axis such that the mid–point of the base is at the origin. Find vertices of the triangle.

The base PQ of two equilateral triangles PQR and PQR’ with side 2a lies along y-axis such that the mid-point of PQ is at the origin. Find the coordinates of the vertices R and R’ of the triangles.

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

The base A B of two equilateral triangles A B C and A B C ' with side 2a lies along the X -axis such that the mid-point of A B is at the origin as shown in . Find the coordinates of the vertices C and C ' of the triangles.

Find the perimeter of an equilateral triangle with side 9cm.

Find the altitude of an equilateral triangle of side 8 cm.

Find the area of an equilateral triangle, whose one side is a cm.

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

Find the perimeter of an equilateral triangle of side 13 cm.