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On a coordinate plane, triangle L M N has points (1, negative 1), (3, 2), and (1, 3). An altitude is drawn from point M to point P on side N L.
What is the area of triangle LMN?

3 square units
4 square units
6 square units
8 square units
If line segment BC is considered the base of triangle ABC, what is the corresponding height of the triangle?

0.625 units
0.8 units
1.25 units
1.6 units