A CUBOID WITH DIMENSIONS 28 cm, BY ,x ,cm BY 15 cm HAS VOLUME OF 6720 CUBIC CENTIMETER.

FIND MISSING BREADTH ,THEN WORKOUT SURFACE AREA OF CUBOID.

# A CUBOID WITH DIMENSIONS 28 cm, BY ,x ,cm BY 15 cm HAS VOLUME OF 6720 CUBIC CENTIMETER.

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Answer:Step-by-step explanation:Given that:28 cm,x cmand15 cm.6720 cm³.To Find:Solution:As we know that,Substituting the values,[tex]\rm{\longmapsto6720=28\times x\times15}[/tex]

[tex]\rm{\longmapsto6720=420x}[/tex]

[tex]\rm{\longmapsto\dfrac{6720}{420}=x}[/tex]

[tex]\rm{\longmapsto16=x}[/tex]

[tex]\rm{\longmapsto x = 16}[/tex]

Hence,Therefore,16 cm.Now,As we know that,Substituting the values,[tex]\sf{\longmapsto2\{(28\times16)+(16\times15)+(28\times15)\}}[/tex]

[tex]\sf{\longmapsto2\{448+240+420\}}[/tex]

[tex]\sf{\longmapsto2\times1108}[/tex]

[tex]\sf{\longmapsto2216}[/tex]

Hence,2216 cm².