A workman measures, as accurately as possible, the length and internal diameter of a straight cop...

A workman measures, as accurately as possible, the length and internal diameter of a straight copper pipe. The length is approximately 600  cm and the internal diameter is approximately 2  cm.

What is the best combination of instruments for the workman to use?

Internal Diameter Length

A. Ruler Ruler

B. Ruler Tape

C. Vernier Galipers Ruler

D. Vernier Calipers Tape

a. A
b. D
cs walla c. B /

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