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Which of the following values of n makes the statement n? = 4 true?

(A)16

(B) 8

(C) 4

(D) 2

(E) img

The Correct Answer

The measure of the sum of the interior angles of a regular n-sided polygon is (n - 2)180°. A regular octagon is shown below. What is the measure of the designated angle?

(A) 135° (B) 144° (C) 200° (D) 225° (E) 315°

Correct Answer: D

You have enough material to build a fence 120-feet long. If you use it all to enclose a square region, how many square feet will you enclose?

(A)900 (B) 480 (C) 240 (D) 120 (E) 60

Correct Answer: A

The perimeter of an elliptical billiard table is to be covered with red velvet. The perimeter of an ellipse is given by the formula image, where l is the length and w is the width, as shown in the diagram below. If the length is 4 feet and the width is 3 feet, what is the outside perimeter of the ellipse in feet? image

(A)imageπ image (B) image (4 image + 3) (C) imageπ image (D) (4π + 3) image (E) 5π image

Correct Answer: A

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