# Alternate Formula for the Area of a Triangle

## Area equals half the product of two sides and the sine of the included angle.

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## Alternate Formula for the Area of a Triangle

An alternate formula for the area of a triangle
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## Area of a Triangle

This lesson covers how to find the area of a triangle using sine.
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## Sine to find the Area of a Triangle

Derive and use the sine formula for the area of a triangle.
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## Area of a Triangle

This lesson covers how to find the area of a triangle using sine.
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• PLIX

## Alternate Area of a Triangle

Alternate Formula for the Area of a Triangle Interactive
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• Video

## Example: Determine the Area of a Triangle Using the Sine Function

Shows an example of determining the area of a triangle by using the sine function.
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• Real World Application

## An Unusual Area?

Find out if the Bermuda Triangle is really as mysterious as people believe.
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• Study Guide

## Area of a Triangle

by Wesley Woo //basic
Study guide for finding the area of a triangle using an alternate formula.
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