10. A rhombus is a quadrilateral with all 4 sides of equal length. Three vertices of a rhombus are graphed in the standard (x, y) coordinate plane below.

One of the following points is the location of the 4th vertex of this rhombus. Which one?

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation

Drawing a picture shows that the required point and (-1,-1) are all on y=-1. According to the characteristics of the rhombus diagonal, the diagonal of x=2 is perpendicular to the diagonal of y=-1. Therefore, the required point is (5,-1), choose H