Multiple Choice Question (MCQ)
Question: What is the cross sectional area of a circular ring of D = 38 mm d = 32mm?
A.
320 mm<sup>2</sup>
B.
330 mm<sup>2</sup>
C.
340 mm<sup>2</sup>
D.
350 mm<sup>2</sup>
Correct Answer: 330 mm<sup>2</sup>