Question

5cubes are joined by edge by edge and form a cuboid .find volume ,total surface area

Answer 1

let the side of cuve=x
volume of 5 cubes =volome of cuboid
so,volume of one cube=Side^3=x^3
volume of 5 cubes =5x^3
VOLUME OF CUBOID =5x^3
If 5 cubes of eqal side are joint together edge by edge then,
heing if cube =x
breadth of the cube=x
length of cube=5x
TOTAL SURFACE AREA OF CUBOID=2(LH+BH+LB)
=2(5x(x)+x(x)+5x(x))
=2(5x^2+x^2+5x^2)
2×(11x^2
=22x^2 ANSWER.......
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