Question (5): Let ABC be an arbitrary triangle in the plane. We define new points A', B',C' as in the figure such that BA = 5BC', AC = 5AB',CB = 5CA'. Denote by PQR the triangle (as in the figure below) formed by the intersections of the lines (AA'), (CC'), (BB'). Show %3D %3D that 3 times the area of the triangle ABC is always equals to 7 times the area of the triangle PQR. (Hint: Consider the problem first with an equilateral triangle ABC with side length 5 and then generalize). A' B'
Question (5): Let ABC be an arbitrary triangle in the plane. We define new points A', B',C' as in the figure such that BA = 5BC', AC = 5AB',CB = 5CA'. Denote by PQR the triangle (as in the figure below) formed by the intersections of the lines (AA'), (CC'), (BB'). Show %3D %3D that 3 times the area of the triangle ABC is always equals to 7 times the area of the triangle PQR. (Hint: Consider the problem first with an equilateral triangle ABC with side length 5 and then generalize). A' B'
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
Problem 2T
Related questions
Question
![Question (5): Let ABC be an arbitrary triangle in the plane. We define new points A', B',C'
as in the figure such that BA = 5BC', AC = 5AB',CB = 5CA'. Denote by PQR the triangle
(as in the figure below) formed by the intersections of the lines (AA'), (CC'), (BB'). Show
that 3 times the area of the triangle ABC is always equals to 7 times the area of the triangle
PQR. (Hint: Consider the problem first with an equilateral triangle ABC with side length 5 and
then generalize).
%3D
A'](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa700896c-dfce-4384-95bd-77b379dcfd97%2F1ac28af5-2543-4f91-a7f4-888ae43d6ff8%2Flietxhu_processed.png&w=3840&q=75)
Transcribed Image Text:Question (5): Let ABC be an arbitrary triangle in the plane. We define new points A', B',C'
as in the figure such that BA = 5BC', AC = 5AB',CB = 5CA'. Denote by PQR the triangle
(as in the figure below) formed by the intersections of the lines (AA'), (CC'), (BB'). Show
that 3 times the area of the triangle ABC is always equals to 7 times the area of the triangle
PQR. (Hint: Consider the problem first with an equilateral triangle ABC with side length 5 and
then generalize).
%3D
A'
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