QUAD magnified 4 times gives Q'U'A'D'
D(7,0)
Q(0,0)
Then center of rectangle is at (D -Q)/2= 3.5
Area of rectangle QUAD= (7-0)•(5-0) = 35
4times area QUAD = 4x35= 140
Then
Q'= (0,0)
Q'U'= 4xQU = 4x5 = 20
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