//Chapter 25 Ex 11 clc; close; clear; scube1=1; scube2=6; scube3=8; //all in centimeter vol1=(scube1)^3; vol2=(scube2)^3; vol3=(scube3)^3; volnew=vol1+vol2+vol3; newedge=nthroot(volnew,3); facearea=(newedge)^2; surarea=6*facearea; mprintf("The surface area of the new cube is %.0f square centimeters",surarea);