Question

in the triangular pyramid shown below, which lines are intersecting? select all that apply.
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Explanation:

Intersecting lines are lines that meet at a point. In a triangular pyramid, we check each pair of lines.

• For \(\overrightarrow{GJ}\) and \(\overrightarrow{GI}\): They meet at point \(G\).
• For \(\overrightarrow{GJ}\) and \(\overrightarrow{GH}\): They meet at point \(G\).
• For \(\overrightarrow{HI}\) and \(\overrightarrow{HJ}\): They meet at point \(H\).
• For \(\overrightarrow{HJ}\) and \(\overrightarrow{IJ}\): They meet at point \(J\).

Answer:

\(\overrightarrow{GJ}\) and \(\overrightarrow{GI}\), \(\overrightarrow{GJ}\) and \(\overrightarrow{GH}\), \(\overrightarrow{HI}\) and \(\overrightarrow{HJ}\), \(\overrightarrow{HJ}\) and \(\overrightarrow{IJ}\)