You have been asked to measure and conduct various tasks on a round steel pipe with the following dimensions – internal diameter = 133mm and length = 10m.

Calculate the internal circumference (in mm) of the round steel pipe (to 2 decimal places). (Use 3.14 for Pi and DO NOT add mm to the end of your answer)

To calculate the internal circumference of the round steel pipe, you can use the formula for the circumference of a circle:

\[
\text{Circumference} = \pi \times \text{Diameter}
\]

Given:
- Internal diameter \(D = 133 \, \text{mm}\)
- \(\pi = 3.14\)

Substituting the values into the formula:

\[
\text{Circumference} = 3.14 \times 133
\]

Now, let's calculate it:

\[
\text{Circumference} = 417.62
\]

So, the internal circumference of the round steel pipe is **417.62**.

Would you like any additional details or explanations?

Here are five related questions for further exploration:

1. How would you calculate the internal surface area of the pipe?
2. What is the internal volume of the pipe?
3. How does the internal diameter affect the flow rate through the pipe?
4. If the thickness of the pipe is 5mm, what is the external circumference?
5. How would the circumference change if the internal diameter was doubled?

**Tip:** Remember, the circumference of a circle directly depends on the diameter, so even small changes in diameter can significantly affect the circumference.

You have been asked to measure and conduct various tasks on a round steel pipe with the following dimensions – internal diameter = 133mm and length = 10m. Calculate the internal circumference (in mm) of the round steel pipe (to 2 decimal places). (Use 3.14 for Pi and DO NOT add mm to the end of your answer).

Learn how to calculate the internal circumference of a round steel pipe with an internal diameter of 133mm and a length of 10m. This step-by-step guide uses the formula C = π × D and is ideal for students in Grades 6-8. Discover how to apply geometry concepts to solve real-world problems.

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