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Problem 526: Equilateral Triangle, Chord, Measurement. Level: High School, SAT Prep, College
Geometry
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The figure shows an
equilateral triangle ABC inscribed in a circle. A chord AD meets
BC at E. If DE = d, DB = e, and
DC = f. Prove that  .
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or solution.
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See Also:
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Problem 527.
Circle, Tangent, Secant, Chord, Midpoint, Measurement. |
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Problem 525.
Circles, Diameter, Tangent, Radius, Congruence, Measurement. |
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Problem 524.
Circle, Equilateral Triangles, Midpoint, Side, Measurement. |
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Problem 523.
Tangent Circles, Diameter Perpendicular, Collinearity. |
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