   Chapter 11.CT, Problem 15CT 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

Use one of the three forms for area (such as the form A = 1 2 b c sin ⁡ α ) to find the area of the triangle shown. Answer to the nearest whole number.

To determine

To find:

The area of the triangle using the formula A=12bcsinα to the nearest whole number.

Explanation

Given:

The triangle shown below.

Approach:

Formula to find the area of a triangle is A=12bcsinα.

Calculation:

From the given diagram,

Let b=8 cm, c=12 cm, and the angle included between b and c be α=600.

To find the area of the triangle, substitute b=8 cm, c=12 cm, and α=600 in the formula

A=

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