(Solved):
The opposite figure composed of a triangular part (base =b=13.8 m, height h=6.9 m }, p=4.9 kg/m ...
The opposite figure composed of a triangular part (base =b=13.8 m, height h=6.9 m }, p?=4.9 kg/m²) and a semicircular part of diameter a=13.8 m and density P2-2.2 kg/m². Yg of the plate is Y Di a/2 Select one: A. 7.06 B. 4.37 C. 10.73 D. 9.31 E. 5.50