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Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

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Chapter
Section
BuyFindarrow_forward

Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

For Review Exercises 21 to 23, D E ¯ | | A C ¯

A D = 4 , B D = 8 , D E = 3 , A C = ?

To determine

To find:

AC.

Explanation

Given:

DE¯||AC¯

AD=4,BD=8,DE=3 and

Calculation:

First to show, ΔDBE similar to ΔABC.

Since, corresponding angles are equal, then

BDE=BAC(DE¯||AC¯)

BED=BCA(DE¯||AC¯)

Here, ΔDBE similar to ΔABC

Then,

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