Geometry For Enjoyment And Challenge
Geometry For Enjoyment And Challenge
91st Edition
ISBN: 9780866099653
Author: Richard Rhoad, George Milauskas, Robert Whipple
Publisher: McDougal Littell
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Chapter 16.3, Problem 3PS
To determine

To find: Themeasure of the parallelogram’s longer diagonal.

Expert Solution & Answer
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Answer to Problem 3PS

The measure of the parallelogram’s longer diagonalis 7unit .

Explanation of Solution

Given information:

The length of the sides of the parallelogram are 7 and 9 . The measure of its shorter diagonal is 8 .

The value of y in the given figure is calculated as by using Stewart’s Theorem,

  (7)2x+(9)2x=(4)2(2x)+2x(x)(x)49x+81x=32x+2x3x3=49xx=7unit

Thus, the measure of the parallelogram’s longer diagonal is 7unit .

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