<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Alternate Formula for the Area of a Triangle

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

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Read

## Alternate Formula for the Area of a Triangle

by CK-12 //at grade

An alternate formula for the area of a triangle

0
• Read

## Area of a Triangle

by CK-12 //at grade

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

0
• PLIX

## Alternate Area of a Triangle

by CK-12 //at grade

Alternate Formula for the Area of a Triangle Interactive

0
• Video

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

by CK-12 //at grade

Shows an example of determining the area of a triangle by using the sine function.

0
• Practice
0%

## Alternate Formula for the Area of a Triangle Practice

by CK-12 //at grade
0
• Real World Application

## An Unusual Area?

by CK-12 //at grade

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

0
Please wait...
Please wait...