contestada

F1.8
19.
Sam has a cylindrical fish tank with
an open top. The tank has height
30cm and radius 20cm. What is the
total surface area of the tank?

Respuesta :

ananya2304

Answer:

area of cylinder =2πrh+2πrsqr

=2×22/7×20×30+2×22/7×20×20

=26400/7+17600/7

=44000/7

=6285.714cm

mhanifa

Answer:

  • 5024 cm²

Step-by-step explanation:

Total surface area includes one base only as it is open top

  • S = πr² + 2πrh
  • S = 3.14*20² + 2*3.14*20*30 = 5024 cm²
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