TJ Prep Problems

TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.

A Geometry Problem for TJ Test/HSPT/SSAT/SAT Prep. (Hard). Target Time. 20-35 seconds per part.

January 11, 2015

The figure below shows a triangle ABC. DE is parallel to AB such that AD is 1/2 of CD.

1. What is the ratio of the perimeter of CDE to the perimeter of CAB?

2. What is the ratio of the area of CDE to the area of CAB

3. What is the ratio of the area of CDE to the area of ADEB?

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