Exercise 3: ABC is an isosceles triangle with vertex A. K is the orthogonal projection of A on (BC) and O is the midpoint of [AC]. N is the symmetric of K with respect to O. 1) Prove that AKCN is a rectangle. 2) Prove that ABKN is a parallelogram

Exercise 3: ABC is an isosceles triangle with vertex A. K is the orthogonal projection of A on (BC) and O is the midpoint of [AC]. N is the symmetric of K with respect to O. 1) Prove that AKCN is a rectangle. 2) Prove that ABKN is a parallelogram

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Exercise 3:
ABC is an isosceles triangle with vertex A.
K is the orthogonal projection of A on (BC) and O is the midpoint of [AC]. N is the
symmetric ofK with respect to O.
1) Prove that AKCN is a rectangle.
2) Prove that ABKN is a parallelogram

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