Question

a metal pipe is 63cm long its inner diameter is 4cm and outer diameter is 4.4cm then surface area of each end is 2.64cm?​

Answer 1

Answer:

Its inner diameter is 4 cm and the outer diameter is 4.4 cm. Then, (a) its inner curved surface area = 792 cm

Step-by-step explanation:

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Answer 2

Answer:

6/7+3-4=molecule of 6

4-3= molecule 1