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Corners of a triangular plot are (1, 0), (2, 2) and (3, 1). How much area does it cover?
A2 sq units
B5/2 sq units
C3/2 sq units
D1 sq unit
Answer & Solution
Correct answer: C. 3/2 sq units
The determinant formula gives 1/2 |1(2 - 1) + 2(1 - 0) + 3(0 - 2)| = 3/2.
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