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computational geo with perpendiculars 2017 Ecuador NMO (OMEC) 3.2

Source:

September 18, 2021
geometryarea of a triangle

Problem Statement

Let ABCABC be a triangle with AC=18AC = 18 and DD is the point on the segment ACAC such that AD=5AD = 5. Draw perpendiculars from DD on ABAB and BCBC which have lengths 44 and 55 respectively. Find the area of the triangle ABCABC.
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