penaabel6202
30.06.2019 •
Mathematics
The figure is made up of a cylinder and a spear which has been cut in half. the radius of each half sphere is 5 mm. what is the volume of the composite figure? use 3.14. round to the nearest hundredth
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Ответ:
The volume of the cylinder should be:
V = Bh = πr²h = 3.14 · 5² · 10 = 785 (mm³)
The volume of the sphere should be:
V = 4/3 · πr³ = 4/3 · 3.14 · 5² ≈ 523.33 (mm³)
=> The total volume of the composite figure is:
V = 785 + 523.33 = 1,308.33 (mm³)
Ответ: