Calculate the area of a pentagon whose vertex is A (-2; 0); B (0; -1); C (2: 0); D (3; 2); E (-1; 3)
| September 21, 2021 | education
Total: 4 * 5 = 20.
Reflect: (1 * 2) / 2 + (3 * 1) / 2 + (4 * 1) / 2 + (1 * 1) + (2 * 1) / 2 = 1 + 1.5 + 1 + 1 + 1 + 1 = 6.5.
Remaining: 20 – 6.5 = 13.5.
Answer: 13.5.
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