ISEE Mathematics Achievement Question 279: Answer and Explanation
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Question: 279
9. 
What is the area of the figure above if all the angles shown are right angles?
- A. 38
- B. 42
- C. 50
- D. 88
Correct Answer: D
Explanation:
D Notice that the part that juts out on the left side of the shape would fit into the indented part on the right side of the shape. Filling in the hole would make a rectangle with a length of 8 and a width of 4 + 3 + 4 = 11. To find the area of a rectangle, use the formula: A = l × w. Therefore, A = 8 × 11 = 88. The correct answer is (D).