alleryA pipe has outer radius 5 cm, inner radius 3 cm, and length 7 cm. Find material volume; π=22/7.
A352 cm³
B264 cm³
C176 cm³
D616 cm³
Answer & Solution
Correct answer: A. 352 cm³
Material volume = π(5²−3²)×7 = (22/7)×16×7 = 352 cm³.
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