Density= mass/volume 0.492=mass/163.5 mass=0.492*163.5 mass =80.448gram
Answer:
see attachment
Step-by-step explanation:
With one pair of parallel sides of different length, the figure is a trapezoid.
55. B
56. F
57. B
58. 2 x 7 = 14 for the steps and top, 2 x 3 = 6 for the back, 2 x 4 = 8 for the bottom, ( ( 3 x 2 ) + 3 ) x 2 = 18 for the two sides.
Altogether, the surface area is:
= 14 + 6 + 8 + 18 = 46 units²
59. I
60. D