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PLEASE HELP ME WITH THIS!!!

calculate the combined surface area of the following three dimensional objects​

PLEASE HELP ME WITH THIS calculate the combined surface area of the following three dimensional objects class=

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Learntionary

Answer:

455.53cm^2

Step-by-step explanation:

diameter of hemisphere = 10cm

radius of hemisphere = 10/2 cm = 5cm

height of hemisphere = radius of hemisphere = 5cm

height of cylinder = 12cm - 5cm = 7cm

surface area = 2pi(5)7 + pi(5)^2 + 2pi(5)^2 = 455.53cm^2 (5sf)

Prohor

Answer:

455.53cm^2

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