ASVAB Math knowledge
The base of a right triangle is 1 foot, and the interior angles are 45-45-90. What is its area?
0.5 foot squared
Calculate the area of the circle shown in the figure. radius = 10
100m square cm Area = pi r^2 pi 10^2 = 100
A medium pizza has a diameter of 14 inches. What is its circumference?
14n
Given a circle with a radius of 0.85 meters, find the area of 1/3 of the circle. Use 3.14 for pi and round to the nearest hundredth.
2.27 meters squared Area = pi r^2 A= pi (.85)^2 A= pi (0.72) A= 3.14 (0.72) A= 2.27
The area of a circle is given as 24π. What is its radius?
2√6 A= nr^2 24n = nr^2 r = √24 = √4 √6=2√6
The circumference of a circle is 20 cm. What is the approximate radius of the circle?
3.2 cm
Calculate the area of a parallelogram with a base of 3 feet and a height of 1.2 feet.
3.6 square feet
You are told that one of the internal angles of a parallelogram is 54 degrees. This means at least one other angle must be equal to:
54 degrees
What is one possible value of x in this equation? x2-3x-18=0
6
6^5/6^2 means
6^5-2 = 6^3
Two parallel lines are intersected by a third line, which is perpendicular to the first parallel line. The value of another angle made by the intersecting lines is:
90 degrees
Area of a circle formula
A = (pie)r^2
Area of a rectangle formula
A = L x W
Area of a square
A = S * S A = a^2
Which of the following statements about trapezoids is true?
A trapezoid can have 4 angles which are not equal to one another.
Angle less than 90 degrees
Acute
A given rectangle has an area of 24 square feet. Which of the following cannot be one of its side lengths?
Any can be the length
Circumference of a circle
C = 2(pi)r C = pi * Diameter
! means
Factorial Ex: 5! = 5 * 4 * 3 * 2 * 1
Angle greater than 90 degrees
Obtuse
What is the name of a quadrilateral with four equal sides?
Rhombus
A line segment is always constrained between:
Two points
Volume formula
V = length x width x height *Always cubed
Equilateral triangle have
all sides the same Perimeter = Add all sides
An isosceles triangle has
two equal angles