If You Were to Measure the Cross Section of A 50

Short Answer

If you were to measure the cross section of a $50 \times 100$ you would find it to be 35 mm wide by 85 mm tall.What are the numbers " $\text { "50 }\times 5100 "$ called? a. Actual size
b. Nominal size
c. Approximate size
d. Rough size