Suppose ABCD and AB'C'D' are two squares in the plane that a) have rertex A in common, b) have the same orientation of the vertices, and c) lie outside one another. Let P be the intersection of the diagonals AC and BD; et Q be the intersection of the diagonals AC' and B'D'; let Rbe the midpoint of the segmen BD', and let S be the midpoint of the diagonal B'D. Prove hat PQRS is a square by first showing that segment PS transforms into PR by a rotation through 90°. (Do not denote complex numbers corresponding o P, etc., by P, etc.; use for instance corresponding small letters.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Suppose ABCD and AB'C'D' are two squares in the plane that a) have
vertex A in common, b) have the same orientation of the vertices, and e) lie
outside one another. Let P be the intersection of the diagonals AC and BD;
let Q be the intersection of the diagonals AC" and B'D'; let R be the midpoint
of the segmen BD', and let S be the midpoint of the diagonal B'D. Prove
that PQRS is a square by first showing that segment PS transforms into PR
by a rotation through 90°. (Do not denote complex numbers corresponding
to P, etc., by P, etc.; use for instance corresponding small letters.)
Transcribed Image Text:Suppose ABCD and AB'C'D' are two squares in the plane that a) have vertex A in common, b) have the same orientation of the vertices, and e) lie outside one another. Let P be the intersection of the diagonals AC and BD; let Q be the intersection of the diagonals AC" and B'D'; let R be the midpoint of the segmen BD', and let S be the midpoint of the diagonal B'D. Prove that PQRS is a square by first showing that segment PS transforms into PR by a rotation through 90°. (Do not denote complex numbers corresponding to P, etc., by P, etc.; use for instance corresponding small letters.)
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