So line AB has the same length as line BC. And the radius AD has the same length as DC. ∠ABC Angle x° = 180° - Angle y°, or ∠ADC Angle y° = 180° - Angle x° Formula: Pythagorean theorem DB = √AD² + AB² sin (x/2) = DA / DB cos (x/2) = AB / DB tan (x/2) = DA / AB Inputs: 1. Angle [x°] 2. Angle [y°] 3. Length [AD][DC] 4. Length [AB][BC] 5. Length [DB] Quick Guide: Clear the input and at least key in these two parameters to get results: 1 & 3 Angle [x°] & Length [AD][DC] 1 & 4 Angle [x°] & Length [AB][BC] 1 & 5 Angle [x°] & Length [DB] 2 & 3 Angle [y°] & Length [AD][DC] 2 & 4 Angle [y°] & Length [AB][BC] 2 & 5 Angle [y°] & Length [DB] 3 & 4 Length [AD][DC] & Length [AB][BC] 3 & 5 Length [AD][DC] & Length [DB] 4 & 5 Length [AB][BC] & Length [DB] Tangent lines to circles. In Euclidean plane geometry, a tangent line to a circle is a line that touches the circle at exactly one point, never entering the circle's interior. Tangent lines to circles form the subject of several theorems, and play an important role in many geometrical constructions and proofs. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
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