After completing the Check-your-understanding Questions, which were important for everyone to do?

Shape 1

Area is 81 units squared. Click to see Shape 1 partial solution with shapes decomposed and dimensions:

Shape 2

Area is 229.5 units squared. Click to see Shape 2 partial solution with shapes decomposed and dimensions:

* Next move: "How could you do this a different way and get the same answer?"

Prompt:

Worksheet with questions:

Sample student work and things to remember:

U3T6 Extend. Pick any ONE of the polygons and find the area. Medium level: 4 and 5. Spicy: 2, 3, and 6. You CHOOSE.

First, neatly sketch the composite figure and its dimensions.

Next, mentally break the shape into simpler 2D figures. Next to the original figure, sketch the simple figures and their dimensions.

Finally, find the area of each simple shape and add or subtract the areas to find the area of the original composite figure.

Check your answer!

If needed, use a calculator to help you crunch the numbers.