- A6 sq units
- B7 sq units
- C8 sq units
- D12 sq units
Step-by-Step Solution
Area = ½ |₁₂ − ₃) + ₂₃ − ₁) + ₃₁ − ₂)| = ½ || = ½ |−4 + 16| = 6 sq units.
Answer: A) 6 sq units
The area of the triangle with vertices (1, 1), (4, 1) and (1, 5) is:
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