Straight Lines
General
Grade 11
Question:
Let P, Q, R and S be the points on the plane with position vectors <span class="math-inline">-2\hat{i} + 4\hat{j}</span>, <span class="math-inline">3\hat{i} + 3\hat{j}</span> and <span class="math-inline">-3\hat{i} + 2\hat{j}</span> respectively. The quadrilateral PQRS must be a
parallelogram, which is neither a rhombus nor a rectangle
square
rectangle, but not a square
rhombus, but not a square
Step-by-Step Solution
Key Concept: General
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Correct Answer: A