△ABC∽△APN,有PN/BC=AP/AB;
△ABD∽△APE,有AE/AD=AP/AB;
故有PN/BC=AE/AD
不妨设PQ=X,则PN=2X,AE=AD-DE=AD-PQ=8-X
代入PN/BC=AE/AD,有2X/24=(8-X)/8
解方程得,X=4.8
所以,矩形零件面积S=2X*X=46.08 (平方厘米)
△ABC∽△APN,有PN/BC=AP/AB;
△ABD∽△APE,有AE/AD=AP/AB;
故有PN/BC=AE/AD
不妨设PQ=X,则PN=2X,AE=AD-DE=AD-PQ=8-X
代入PN/BC=AE/AD,有2X/24=(8-X)/8
解方程得,X=4.8
所以,矩形零件面积S=2X*X=46.08 (平方厘米)