2010 PUMaC Geometry A1/B3: minimal triangle area
Source:
August 21, 2011
geometry
Problem Statement
As in the following diagram, square and square are placed side by side (i.e. is between and and is between and ). If , , compute the minimal area of .
[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("",D2(0,big),NW);
label("",D2(0,0),SW);
label("",D2(big,0),SW);
label("",D2(big,big),N);
label("",D2(big+small,0),SE);
label("",D2(big+small,small),NE);
label("",D2(big,small),NE);
[/asy]