<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.

## Alternate Formula for the Area of a Triangle

by CK-12 //at grade
An alternate formula for the area of a triangle
MEMORY METER
This indicates how strong in your memory this concept is
0

## Area of a Triangle

by CK-12 //at grade
This lesson covers how to find the area of a triangle using sine.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Area of a Triangle

by Caitlin Polzin //at grade
This lesson covers how to find the area of a triangle using sine.
MEMORY METER
This indicates how strong in your memory this concept is
0
• PLIX

## Alternate Area of a Triangle

by CK-12 //at grade
Alternate Formula for the Area of a Triangle Interactive
MEMORY METER
This indicates how strong in your memory this concept is
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.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Activity

## Learning for you!!!

by Miss //at grade
This is an application for kids to type in the search engine nearly anything and get a learning site suitable for them at their grade. Kindergarten to grade 12 is the levels we support.
MEMORY METER
This indicates how strong in your memory this concept is
1
• 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.
MEMORY METER
This indicates how strong in your memory this concept is
0