Chapter 8.3, Problem 14E

### 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

# Find the area of an equilateral triangle with apothem a = 3.2 cm and perimeter P = 19.2 3 cm.

To determine

To find:

The area of an equilateral triangle.

Explanation

The area of an equilateral triangle with apothem a and perimeter P is given by A=12(aP).

Calculation:

It is given that the apothem and perimeter of the equilateral triangle are 3.2 and 19.23 cm respectively.

Use the formula of area of equilateral triangle, A=12(aP)

Substitute a = 3.2 and P = 19.23 in A=12(aP)

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