True or false:
BD is a side of triangle BCD.
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True or false:
BD is a side of triangle BCD.
To ascertain whether BD is a side of triangle BCD, observe the basic geometric principles associated with triangles.
In Euclidean geometry, a triangle is named based on its vertices. For triangle BCD, it consists of three vertices: B, C, and D.
The sides of the triangle are the line segments directly joining these vertices. Thus, the sides of triangle BCD are:
Line segments such as BD connect two vertices within the triangle and thus qualify as one of its sides. This aligns with the standard definition of a triangle in Euclidean geometry, where any side is formed by connecting two of its vertices.
Therefore, indeed, BD is a side of triangle BCD.
The correct conclusion is true: BD is a side of triangle BCD.
True
Is the straight line in the figure the height of the triangle?
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