Problem 1: A single-angle tension member (L 178x102x13) of 300W steel has three lines of drilled holes for M20 bolts as shown below. 13 T 33 0 100 100 0 [mm] 13 76 Question 1. CROSS SECTION What is the controlling net area of this angle? a) ~1,960 mm b) ~2,950 mm c) ~2,660 mm d) ~3,070 mm e) ~2,890 mm 0 50 50 50 50 [m] FLATTENED VIEW