7 The interior lateral surface of the pipe is coated with

Last updated: 5/16/2023

7 The interior lateral surface of the pipe is coated with sealant to prevent leakage and corrosion What is the surface area of the interior part for one section as shown A B C A 3141 6 cm B 3769 9 cm 2 2 C 3927 0 cm D 6283 2 cm 50 cm