Question

• There is cylinderical pipe of length 21 m and diameter 5 cm in a heating water system. Find the total radiating surface of the pipe:

(a) 2.2 sq. m
(b) 3.3 sq. m
(c) 4.4 sq. m
(d) 5.5 sq. m​

Answer 1

Answer:

Answer is in the above pic

hope this helps you

Answer 2

Answer:

(c) 4.4 sq. m

Step-by-step explanation:

This is the answer.

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