Coordinate Geometry - Parallel and Perpendicular Lines
Coordinate Geometry - Parallel and Perpendicular Lines
Secondary 3
The triangle \(ABC\) has vertices \(A(-7, 4)\), \(B(-9, 1)\) and \(C(-3, -3)\).
Determine whether triangle \(ABC\) is a right-angled triangle.
Solution:
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Answer:Yes; triangle \(ABC\) is right-angled at \(B\).
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