Which of the following values of n makes the statement n? = 4 true?
(A)16
(B) 8
(C) 4
(D) 2
(E) 
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 
, 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?
（A）
π 
（B） 
(4 + 3)
（C） 
π
（D） (4π + 3)
（E） 5π
Correct Answer: A
More ACT Math Exam Questions
- 1One pound is equivalent to 16 ounces. If a book weighs 1.5 pounds, how many ounces, to the nearest tenth, does the book weigh?
- 2Anylon cord is stretched from the top of a playground pole to the ground. The cord is 25 feet long and makes a 19° angle with the ground. Which of the following expressions gives the horizontal distance, in feet, between the pole and the point where the cord touches the ground?
- 3
- 4Find the area, in square units, of the circle shown by the equation (x − 5)2 + (y − 2)2 = 36
- 5In the standard (x,y) coordinate plane shown below, what is the distance on the y-axis, in units, from point A to point B?
