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Anna007 [38]
3 years ago
7

Surface area of sphare​

Mathematics
1 answer:
Jet001 [13]3 years ago
7 0

Surface area of sphere is what referred to as Total surface area or lateral surface area because here the surface is curved everywhere.

\large{ \boxed{ \rm{ \orange{Surface \: area \: of \: sphere = 4\pi  {r}^{2} }}}}

<u>Total</u><u> </u><u>surface</u><u> </u><u>area</u><u> </u><u>of</u><u> </u><u>other</u><u> </u><u>3</u><u>-D</u><u> </u><u>shapes</u><u>:</u>

  • Cuboid = 2(lb + bh + hl)
  • Cube = 4s²
  • Cylinder = 2πr(r + h)
  • Cone = πr(l + r)
  • Hemisphere = 3πr²

<u>Lateral</u><u> </u><u>surface</u><u> </u><u>area</u><u> </u><u>of</u><u> </u><u>these</u><u> </u><u>shapes</u><u>:</u>

  • Cuboid = 2h(l + b)
  • Cube = 6s²
  • Cylinder = 2πrh
  • Cone = πrl
  • Hemisphere = 2πr²

<u>━━━━━━━━━━━━━━━━━━━━</u>

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