Friday, April 25, 2014

Geometry Problem 1009: Tangent Circles, Common External Tangent, Common Internal Tangent, Arithmetic Mean

Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 1009.

Online Math: Geometry Problem 1009: Tangent Circles, Common External Tangent, Common Internal Tangent, Arithmetic Mean

1 comment:

  1. Since EA=ET=EB, FC=FT=FD,
    Also AD//BC (ABCD is trapezium),
    Thus EF=(AD+BC)/2.

    ReplyDelete