Coordinate Geometry - Length of a Line Segment

Coordinate Geometry - Length of a Line Segment

Secondary 3

The coordinates of triangle \(PQR\) are \(P(5, 3)\), \(Q(3, -2)\) and \(R(7, -2)\).

Determine whether triangle \(PQR\) is an isosceles triangle.

Solution:

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Answer:Yes. \(PQ=PR=\sqrt{29}\), so \(PQR\) is isosceles.

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