# Area of a Triangle Using A = ½ absinC

In this lesson we will learn how to find the area of a triangle using the formula A = ½ absinC

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

- Click "Close Video"
- Click "Next" to view the activity

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# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

# Lesson summary: Area of a Triangle Using A = ½ absinC

The next lesson in Advanced Trigonometry 2 is "Use A = ½ absinC to Find a Missing Length"