Respuesta :
The area of the resulting two-dimensional cross section with the dimensions shown in the figure can be determined by simply using the formula for the area of a rectangle.
Given:
Length = 12 mm
Width = 7 mm
Area = L x W
Area = 12 mm x 7 mm
Area = 84 mm^2
Given:
Length = 12 mm
Width = 7 mm
Area = L x W
Area = 12 mm x 7 mm
Area = 84 mm^2