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Frank noticed that it was much easier to draw geometric figures on a coordinate plane.

In fact, Frank could determine lots of information about each figure from inspection alone.

visual inspection

You try it. Use visual inspection to match the numbers on the left with their corresponding descriptions on the right.

4 units

2 units

5 units

The length of the longest side of the rectangle

The approximate length of the radius of the circle

The length of the longest side of the parallelogram


Good job, you got them all correct!
The answers with checkmarks are correct. Fix any answers without checkmarks and try again.

You understand how to define points in a Cartesian coordinate plane, and you're familiar with the different quadrants. How can you use this information?