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A right cylindrical solid is cut in half to form the figure shown. If the length is 20 cm and the diameter is 8 cm, what is the surface area?

A right cylindrical solid is cut in half to form the figure shown If the length is 20 cm and the diameter is 8 cm what is the surface area class=

Respuesta :

area of the 2 hemispherical ends = pi r^2 = 16pi
ARea of the top rectangle =  8*20 = 160 cm^2
Area of the curved bottom  = 20 * pi r  = 80pi

Total surface area 96pi + 160  cm^2 

Its B

answer:

96pi + 160  cm^2

Step-by-step explanation:

is correct!!!

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