- A9 sq units
- B18 sq units
- C30 sq units
- D24 sq units
Step-by-Step Solution
AB = 4 − (−2) = 6 and BC = 2 − (−1) = 3, so ABCD is a 6 by 3 rectangle. Area = 18 sq units. (9 adds the two sides; 24 wrongly takes BC as 4.)
Answer: B) 18 sq units
ABCD has vertices A(−2, −1), B(4, −1), C(4, 2) and D(−2, 2). What is the area of ABCD?
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