Which term corresponds to 'B' in geometry?

The term that corresponds to 'B' in geometry is "Base." In geometric contexts, particularly when discussing shapes such as triangles or prisms, the base is a crucial component, often referred to in relation to the height of the figure to calculate area or volume. For example, the area of a triangle is calculated as one half the product of the base and the height.

Choosing "base" reflects a fundamental principle in geometry, distinguishing it from other options that do not have a specific geometric significance. "Bottom" might loosely refer to a lower section, but it lacks the precise mathematical definition that "base" carries. "Boundary" refers to the edges or limits of a shape, which is not specifically associated with the letter 'B' in the context of geometry. "Bias" is a statistical term that relates to deviations in data analysis, making it irrelevant in this context.

Overall, "base" is the correct term that aligns with geometrical principles and has a well-defined meaning in the study of shapes and their properties.