Proposed Problem

Click the figure below to see the complete problem 351 about Rhombus, Incircles, Common tangent, Circumscribable or Tangential quadrilateral.

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Complete Problem 351

Level: High School, SAT Prep, College geometry

## Friday, September 4, 2009

### Problem 351: Rhombus, Incircles, Common tangent, Circumscribable or Tangential quadrilateral

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name S circle 1 meet AB, H meet BC, P meet AE

ReplyDeletename V circle 2 meet DC, J meet BC, T meet ED

AD + MN =? AM + ND

AD+(BC - BH - CJ - FM - NG)=?AB - BS - PM + CD - CV - TN

BH = BS, CJ = CV, FM = PM, NG = NT,( tang segments from a point are equal) =>

AD + BC = AB + CD