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3 years ago

Внешний диаметр полого шара равен 16 см. Толщина стенок 2 см Найти

Mathematics

2 answers:

DIA [1.3K]3 years ago

8 0

Answer:

Внешний радиус

Тогда внутренний радиус

Объем материала равен разности объемов внешнего и внутреннего шаров, то есть

Sliva [168]3 years ago

5 0

Answer:

1239.25 cm³

Step-by-step explanation:

Outer diameter 16 cm

⇒ R= 8 cm

Inner radius

⇒ r= R- 2= 6 cm

The volume of the wall of 2 cm thickness:

⇒ 4/3πR³- 4/3πr³= 4/3*3.14*(8³-6³)= 1239.25 cm³

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Answer:

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Step-by-step explanation:

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3 years ago

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