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 16.2, Problem 1PS
To determine

To find: Thediameter of the circle circumscribed about ΔABC .

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Answer to Problem 1PS

The diameter of the circle circumscribed about ΔABC is 6.110unit .

Explanation of Solution

Given information:

The given figure is,

  Geometry For Enjoyment And Challenge, Chapter 16.2, Problem 1PS

The length BC is calculated as,

  (BC)2=(AB)2+(AC)22(AC)(AB)cos(60°)(BC)2=(4)2+(6)22(6)(4)cos(60°)BC=27units

Calculate the diameter of the circle as,

  D=BCsin60°=27sin60°=6.110unit

Thus, the diameter of the circle circumscribed about ΔABC is 6.110unit .

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