Points P and Q lie on circle O with radius of 9 feet. The measure of 
POQ is 120°. What is the length, in feet, of minor arc 
?
(A)3π
(B) 6π
(C) 9π
(D) 18π
(E) 27π
What is the solution set for the equation |-x| = x?
（A）All real numbers （B） x ≥ 0 （C） x ≤ 0 （D） Only x = 0 （E） Only x = -1
Correct Answer: B
A sphere is inscribed in a cube with a diagonal of 3
ft. In feet, what is the diameter of the sphere?
(F) 3
(G) 2
(H) 2
(J) 3
(K) 3
Correct Answer: J
In the rhombus below, diagonal AC = 6 and diagonal BD = 8. What is the length of each of the four sides?
(A) 
(B) 
(C) 5
(D) 7
(E) 10
Correct Answer: C
More ACT Math Exam Questions
- 1In the standard (x, y) coordinate plane, the midpoint of
is (5, 7) and a is located at (2, 3). If the coordinates of b are (x, y), what is the value of (x + y)? - 2A recipe calls for cooking a turkey 1 hour for every 3 pounds it weighs. How long should a 19-pound turkey cook?
- 3
The following figure shows the graph of
. Which of the answer choices are the correct amplitude and period of this function?
- 4
The area of the square in the figure below is 324 square centimeters, and the two small isosceles right triangles are congruent. What is the combined area, in square centimeters, of the 2 small triangles?
- 5In
XYZ, shown below, 
= 30. Which of the following represents the length of 
?
(Note: For a triangle with sides of lengths x, y, and z, and respective opposite angles measuring X, Y, and Z, it will be true that:
, according to the law of sines.)