# Question of the Day

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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

In the figure above, all intersecting sides of the polygon meet at right angles. What is the area of the polygon?

# Right! (Applause.)

### Explanation

Choice (D) is correct. Adding shaded rectangles as in the figure above, the given polygon is seen to be a -by- rectangle with a -by- and a -by- rectangle removed. Therefore, the area of the polygon is , which is equal to .

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