Sunday, April 25, 2010

Problem 437: Tangent Circles, Diameter, Chord, Perpendicular, Congruence

Proposed Problem
Click the figure below to see the complete problem 437 about Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.

Problem 437.<br />Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.
See also:
Complete Problem 437

Level: High School, SAT Prep, College geometry

1 comment:

  1. ▲ANE ~ ▲AMH => AN/AM = AE/AH (1)
    ▲AFE ~ ▲AGH => AF/AG = AE/AH = AC/AB (2)
    from (1) & (2)
    AN/AM = AC/AB
    (3)
    PK perpendic to AB
    ▲APK ~ ▲ADE => AP/AD = AC/AB (4)
    from (3) & (4)
    AN/AM = AP/AD ( AM = AD from P436 )

    AN = AP
    ------------------------------------------

    ReplyDelete