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Line WS is parallel to line KV. Line RT is perpendicular to line KV. Explain the relationship of line RT to line WS. Provide at least one reason to support your answer.
1 answer
Line RT is perpendicular to line WS. This is because if two lines are parallel, any line that is perpendicular to one of the parallel lines will be perpendicular to the other parallel line as well. Therefore, since line RT is perpendicular to line KV (which is parallel to line WS), line RT must also be perpendicular to line WS. One reason to support this answer is that perpendicular lines have opposite reciprocal slopes, which means that if line RT has a certain slope, it cannot have the same slope as line WS if they are perpendicular.