## Opener

I know you have seen a lot of this problem, but here it is one more time: suppose I have an isosceles triangle where the length of two sides is 64, and the angle between these sides measures 36 degrees. What is the area of this triangle?

## Work Time

- The Defining Pi Project is due by Friday, May 3.
- Make sure that you complete the
on the back of Part 5.**self-assessment** **What should you do if you can’t complete the whole project?**

## Closing

On an index card, write your name and answer this question:

**What was this project about?**

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