Freehand Geometry: (January 8 – January 15, 2014)

 

What Area?

ABCD is a rectangle. X is on AB and Y is on BC. The area of triangle AXD is 5, the area of triangle BXY is 4 and the area of triangle CYD is 3. Determine the area of triangle DXY.

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Correct answer were submitted by:

1. Jhay Dela Cruz. Polytechnic University of the Philippines – Taguig

2. Kenny Wong, Jurong Junior College, Singapore

3. Arsh Singh. yourmathguru.com

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1 Response

  1. Jhay Dela Cruz says:

    2sq rt of 21

    PUP Taguig

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