Concept explainers
(a).
To find: The reason for each step prove.
(a).
Explanation of Solution
Given information: The sides of the
Diagram:
The law of vector addition states that if two
Consider the above figure:
(1).The vectors
(2). Substitute
(3). Take out
(4). The vectors
Substitute
(b).
To find: Prove of part (a) by mid-point theorem.
(b).
Explanation of Solution
Given information: The sides of the triangle are
Diagram:
Midpoint theorem states that if a line joining midpoints of any two sides of a triangle, then it must be parallel to the third side and is half of it.
Consider the above triangle
Let
Hence, the above theorem is proved.
Chapter 13 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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