   Chapter 8.1, Problem 8E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

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

Are △ A B C and △ D E F congruent? Exercises 7, 8

To determine

ABC and DEF are congruent or not.

Explanation

1) Approach:

Two polygons are congruent if they are the same size and shape,

(i.e.) If their corresponding angles and sides are equal.

2) Calculation:

Given,

The area of the first triangle (ΔABC):

Here, b=8 and h=6

Area of the triangle

A=12bh

=12(8)(6)

=482

A=24 unit2

The area of the second triangle (ΔDEF):

Here, <

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