# measuring the Unit Circle

The radius R of the circle is 1.
The BLUE segment tangent to the circle is h units long.
The GREEN segment tangent to the circle is w units long.
Can you find a geometric way to relate R, h, and w ?
Can you find an algebraic way to relate R, h, and w ?

**What questions could / would you put to your class based on this applet ?**A Balanced Assessment in Mathematics Task

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