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 f 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 yaxis such that the midpoint of the base is at the origin.Find vertices of the triangle.

The base PQ of two equilateral triangles PQR and PQR with side 2 a 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 of side 6 cm.

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