Q19
An iron pipe 20 cm long has exterior diameter equal to 25 cm. If the thickness of the pipe is 1 cm, then the whole surface of the pipe is
Answer: C
A written solution for this question isn't available yet.
Answer it first: the answer and the solution appear right after.
An iron pipe 20 cm long has exterior diameter equal to 25 cm. If the thickness of the pipe is 1 cm, then the whole surface of the pipe is
Answer: C
A written solution for this question isn't available yet.