Verify that parallelogram abcd with vertices a(-5,-1), b(-9,6), c(-1,5) and d(3,-2) is a rhombus by showing that it is a parallelogram with perpendicular diagonals.

And explain how you got it so i can understand future problems : 3

Find the value of x. give reasons to justify your solutions! c ∈ ae

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent