Math Problem Statement
Quadrilateral DELI is a rectangle. The coordinates of E are given by (5, -8) and the coordinates of I are given by (-1, -3). Find the coordinates of D and L
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Coordinate Geometry
Properties of Rectangles
Formulas
Midpoint formula: M = ((x1 + x2)/2, (y1 + y2)/2)
Symmetry and equality of diagonals in rectangles
Theorems
Opposite sides of a rectangle are equal and parallel
Diagonals of a rectangle bisect each other
Suitable Grade Level
Grades 8-10
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