MathDB
2010 PUMaC Geometry A1/B3: minimal triangle area

Source:

August 21, 2011
geometry

Problem Statement

As in the following diagram, square ABCDABCD and square CEFGCEFG are placed side by side (i.e. CC is between BB and EE and GG is between CC and DD). If CE=14CE = 14, AB>14AB > 14, compute the minimal area of AEG\triangle AEG. [asy] size(120); defaultpen(linewidth(0.7)+fontsize(10)); pair D2(real x, real y) { pair P = (x,y); dot(P,linewidth(3)); return P; } int big = 30, small = 14; filldraw((0,big)--(big+small,0)--(big,small)--cycle, rgb(0.9,0.5,0.5)); draw(scale(big)*unitsquare); draw(shift(big,0)*scale(small)*unitsquare); label("AA",D2(0,big),NW); label("BB",D2(0,0),SW); label("CC",D2(big,0),SW); label("DD",D2(big,big),N); label("EE",D2(big+small,0),SE); label("FF",D2(big+small,small),NE); label("GG",D2(big,small),NE); [/asy]