SOLUTION: Show that the points A(-2,6), B (5,3), C (-1,-11), and D (-8,-8) are vertices of a rectangle.

Question 1144212: Show that the points A(-2,6), B (5,3), C (-1,-11), and D (-8,-8) are vertices of a rectangle.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Show that the points A(-2,6), B (5,3), C (-1,-11), and D (-8,-8) are vertices of a rectangle.
---------
Find the slopes of the 4 sides.
If consecutive sides are perpendicular, the angles are 90 degs, it's a rectangle.
----------
If the 2 diagonals, AC and BD, are equal length, it's a rectangle.

RELATED QUESTIONS
Show that the points A(-2,9), B(4,6), C(1,0), & D(-5,3) are vertices of a... (answered by solver91311)

Could someone help? - The vertices of a parallelogram are A(-4,-1),B(5,-6), C(11,-3) and (answered by nycsub_teacher)

1.Prove that the points A(6,-13),B(-2,2),C(13,10), and D (21,-5) are vertices of a Square (answered by Alan3354)

1. Prove that the points A(6,-13) , B(-2,2) , C(13,10), and D(21,-5) are vertices of a... (answered by mangopeeler07)

The vertices of rectangle ABCD on a coordinate grid are A(2, 6), B(2, 7), C(8, 7) and... (answered by MathLover1)

Show that the points A(-1,4) B(5,4) C(-1,-2) D(5,-2) are vertices of a square? (answered by Fombitz)

Prove that the points A(-4,-1), B(-2,-3), C(4,3), and D(2,5) are the vertices of a... (answered by Alan3354)

Prove that the points A(-4,-1),B(-2,-3),C(4,3), and D(2,5) are the vertices of a... (answered by Alan3354)

Show that the points A(5,-1),B(2,-5),C(7,-5)and D(10,-1)are the vertices of... (answered by Edwin McCravy)