**IMPORTANT:** Numeric entry fields must not contain dollar signs, percent signs, commas, spaces, etc. (only digits 0-9 and decimal points are allowed).

Click the **Terms** tab above for a more detailed description of each entry.

#### Step #1:

Select the number of decimal places you would like the calculated measurements rounded to.

#### Step #2:

Select which side of the right triangle you wish to solve for (Hypotenuse *c*, Leg *a*, or Leg *b*).

#### Step #3:

Enter the two known lengths of the right triangle.

#### Step #4:

Tap the "Calculate Unknown" button. This will solve for the missing length and, if you have an HTML5 compatible web browser, redraw the triangle.

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