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the surface area of the cylinder shown is
radius 3cm
height 10 cm


Sagot :

  1. surface area =
  2. [tex]2\pi \gamma h + 2\pi \gamma ^{2} [/tex]
  3. [tex]2 \times 22 \div 7 \times 3 \times 10 + 2 \times 22 \div 7 \times 3 \times 3[/tex]
  4. [tex] = (188.57) + (56.57) [/tex]
  5. =245.14cm²