Chapter 8.2, Problem 8E

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Chapter
Section

### Elementary Geometry For College St...

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

# In Exercises 1 to 8, find the perimeter of each polygon.

To determine

To Find:

Perimeter of the quadrilateral provided.

Explanation

Formula Used:

The perimeter of a polygon is the sum of the lengths of all sides of the polygon.

Pythagorean theorem for the right angle triangle âˆ†ABC for the hypotenuse AC,

AC2=AB2+BC2.

Calculation:

Let the vertices of the quadrilateral be A,Â B,Â C and D.

Both the âˆ†ABC and âˆ†ACD are right angled triangle. Therefore, both satisfied Pythagorean theorem.

Consider the right triangle âˆ†ACD for the hypotenuse AD,

AC2=20</

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