tangents based theorems
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The angle formed by the intersection of 2 tangents, 2 secants or 1 tangent and 1 secant outside the circle equals half the difference of the intercepted arcs! Therefore to find this angle (angle K in the examples below) , all that you have to do is take the far intercepted arc and near the smaller intercepted arc and then divide that number by two! That's why we call this the Far Arc Near Arc theorem , (sometimes abbreviated Farc - Narc)
Far Arc − Near Arc Formula
All of the formulas on this page can be thought of in terms of a "far arc" and a "near arc". The angle formed outside of the circle is always equal to the the far arc minus the near arc divided by 2
The Technical Formulas
Look up above to see the easy way to remember the formu
Far Arc − Near Arc Formula
All of the formulas on this page can be thought of in terms of a "far arc" and a "near arc". The angle formed outside of the circle is always equal to the the far arc minus the near arc divided by 2
The Technical Formulas
Look up above to see the easy way to remember the formu
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