5. A storage tank consists of a circular cylinder with a hemisphere stuck on either end. If the
external diameter of the cylinder be 1.4 m. and its length be 8 m, then find the cost of
painting it on the outside at rate of 20 per m.
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Answer:
704 ₹
Step-by-step explanation:
use formula 2TTrh
2×22/7×7/10
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