ASVAB for Dummies Practice Study Test.

ASVAB for Dummies Practice Study Test. 1. Unit Conversions Be sure to convert units of measurement so that they're consistent. If a question asks how many 3-x-6-inch bricks it will take to cover a 6-x-6-foot patio, be sure to recognize that inches and feet are two different measurements and perform the necessary conversions. 2. Perimeter The distance around a figure. Find the sum of all of the sides. 3. Area of a rectangle (l=length, w=width) a = lw 4. Pythagorean theorem a²+b²=c² where c equals the length of a right triangle's hy- potenuse, and a and b equal the lengths of the remaining two legs of the right triangle 5. Volume of a cube: v = s3, where s = the length of one side of the cube 1 ft. = 12 in 1 yd = 3 ft 1 mi = 5280 ft 1 lb = 16 oz 1 ton = 2000 lbs 1 gal = 4 quarts 1 qt = 2 pts 1 pt = 4 cups Volume of a rectangular box: v = lwh, where l = the length, w = the width, and h = the height of the box Volume of a cylinder: v = Πr2h, where r = the radius of the cylinder and h = the height of the cylinder 6. Surface area of a cube: SA = 6s2 Surface area of a rectangular box: SA =2lw + 2wh + 2lh 7. Order of Operations The order in which operations in an expression to be evaluated are carried out. 1. Parentheses 2. Ex- ponents 3. Multiplication and Divison 4. Addition and Subtraction. 8. Area of a triangle (b=base, h=height) a =1/2 (b*h)