Prove that the diagonals of a rhombus are perpendicular.
Proof. For any rhombus, we can take the vertices to be the origin, and the points , and in . So, the diagonals are the vectors and . Then,
since the edges of a rhombus are of equal length
Prove that the diagonals of a rhombus are perpendicular.
Proof. For any rhombus, we can take the vertices to be the origin, and the points , and in . So, the diagonals are the vectors and . Then,
since the edges of a rhombus are of equal length