The steel bars of 1 cm diameter are placed at 0.25 m spacing.
A. 9 m
B. 10.92 m
C. 10 m
D. 9.92 m
Answer:D
The steel bars of 1 cm diameter are placed at 0.25 m spacing.
A. 9 m B. 10.92 m C. 10 m D. 9.92 m