What is the area of the trapezoid in the following figure?
(F) 7
(G) 
(H) 
(J) 
(K) 
The centers of 3 identically sized circles lie on the diameter of a
larger circle, as shown in the figure below. Each of the 4 circles is
tangent to 2 other circles, as shown. If the circumference of each small
circle is 8π inches, what is the circumference of the largest circle,
in inches?
（A）16π （B） 24π （C） 48π （D） 64π （E） 144π
Correct Answer: B
The variable cost to produce a box of paper is $4.75. The fixed cost for the paper production machinery is $1,600.00 each day. Which of the following expressions correctly models the cost of producing b boxes of paper each day?
（A）1,600b + 4.75 （B） 1,600b - 4.75 （C） 1,600 + 4.75b （D） 4.75b - 1600 （E） 1,600b
Correct Answer: C
If you plot the equation x2+ (y– 2)2= 4 as a circle on a standard xy-graph, what is the area of the circle’s region that will lie in Quadrant 1, as shown in the following figure?
(A) 0(B) π(C) 2π(D) 4π(E) 16π
Correct Answer: C
More ACT Math Exam Questions
- 1
The lengths of 2 sides are not given in the polygon below. If each angle between adjacent sides measures 90°, then, in meters, what is the perimeter of the polygon?
- 2To make space for new merchandise, a clothing store offered a 15% discount on all current stock.What is the sale price of a jacket that regularly sells for $42?
- 3
If
, then n = - 4Payton ran 1
miles on Monday, 2
miles on Tuesday, and 1
miles on Wednesday. What is the median distance that he ran? - 5A flight instructor charges $75 per lesson, plus an additional fee for the use of his plane. The charge for the use of his plane varies directly with the cube root of the time the plane is used. If a lesson plus 27 minutes of plane usage costs $120, what is the total amount charged for a lesson involving 64 minutes of plane usage?