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diff --git a/1553/CH25/EX25.11/25Ex11.sce b/1553/CH25/EX25.11/25Ex11.sce
new file mode 100644
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+//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);