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The area of the triangle with vertices (5, 2), (4, 7) and (7, minus 4) is:
A2 square units
B4 square units
C6 square units
D8 square units
Answer & Solution
Correct answer: A. 2 square units
1. The formula gives minus 2 before the sign is dropped.
2. Area cannot be negative.
3. The area is 2 square units.
_Source: NCERT Class 10 Mathematics, Chapter 7, Coordinate Geometry._
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