fia44
fia44 fia44
  • 26-08-2020
  • Mathematics
contestada

Find the volume to the nearest cm3
20 cm
35 cm
12 cm

Find the volume to the nearest cm3 20 cm 35 cm 12 cm class=

Respuesta :

LazyBun
LazyBun LazyBun
  • 26-08-2020
Answer: 10380cm^3

Explanation:

Find the volume of half cylinder:

V = (pi x r^2 x h)/2 (I use pi = 22/7 for simplifying)
V = 22/7 x 6^2/2 x 35
V = 22/7 x 36/2 x 35
V = 22/7 x 35 x 18
V = 22 x 5 x 18
V = 1980cm^3

Find the volume of the rectangle:

V = 20 x 35 x 12
V = 240 x 5 x 7
V = 1200 x 7
V = 8400cm^3

Find the volume of the whole shape:

V = 1980 + 8400
V = 10380cm^3

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