3 A plumber measures, as accurately as possible, the length and internal diameter of a straight copper pipe. The length is approximately 80 cm and the internal diameter is approximately 2 cm. What is the best combination of instruments for the plumber to use A Ruler for internal diameter and ruler for length

B Ruler for internal diameter and tape for length

C Vernier calipers for internal diameter and ruler for length

D Vernier calipers for internal diameter and tape for length