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xenn [34]
2 years ago
5

The present shown below is a cube. Find the surface area.

Mathematics
2 answers:
vitfil [10]2 years ago
6 0

Answer:

SA = 2,400 cm²

Step-by-step explanation:

Surface Area (SA) of a cuboid: 2(lw) + 2(wh) + 2(hl)

SA = 2(lw) + 2(wh) + 2(hl)

  • l = 20 cm
  • w = 20 cm
  • h = 20 cm

Substitute the values above and multiply:

SA = 2(lw) + 2(wh) + 2(hl)

SA = 2(20)(20) + 2(20)(20) + 2(20)(20)

SA = 2(400) + 2(400) + 2(400)

SA = 800 + 800 + 800

SA = 2,400 cm²

Final answer: 2,400 cm²

Hope this helps!

tankabanditka [31]2 years ago
5 0
<h3>SURFACE AREA</h3>

================================

\large \sf \underline{Direction:}

  • The present shown below is a cube. Find the surface area.

================================

\large \sf \underline{Answer:}

\qquad \qquad \huge \bold{2,400cm^{2} }

================================

\large \sf \underline{Solution:}

:\sf{SA=2(lw)+2(wh)+2(hl)}

:\sf{SA=2(20)(20)+2(20)(20)+2(20)(20)}

:\sf{SA=2(400)+2(400)+2(400)}

:\sf{SA=800+800+800}

\therefore\sf\underline{SA =  \pmb{2,400cm^{2} }}

Hence, the surface area that you are looking for is 2, 400cm².

================================

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