Math & Science ACT Workuot
Trigonometry 21. In right triangle ΔLMN below, sin L = . Which of the following expressions is equal to ...
C. 10 cos 65° D. E. For the polygon below, which of the following represents the length, in inches, of FK ? A. 10 ...
A. B. C. D. cos−1(4) E. tan−1(4) A straight ladder is leaned against a house so that the top of the ladder is ...
C. D. E. In ΔXYZ, the measure of X is 57°, the measure of Y is 72°, and the length of XZ is 12 inches ...
F. G. H. J. K. The domain of the function f(x) = 4sin(3x − 1) + 2 is all real numbers. Which of the ...
GEOMETRY DRILL 1 ANSWER KEY Plane Geometry 8 . F 14 . H 22 . H 26 . J 27 . C 30 . H 36 . H 39 . E ...
Coordinate Geometry 3 . D 13 . B 19 . E 24 . K 33 . C 39 . C 41 . C 47 . C 48 . J 50 . K 56 . G ...
Trigonometry 21 . E 23 . A 25 . C 29 . D 35 . A 37 . D 53 . D 56 . F 58 . J 59 . D ...
GEOMETRY DRILL 1 EXPLANATIONS Plane Geometry 8 . F According to the figure, the angle opposite x is 30°, ...
sides as the Pythagorean triplet 6:8:10 to determine HJ is 10. Then set up the proportion to determine FK: , so ...
+ 5 = 15 inches. Choices (A) and (B) are too small, (C) calculates the length with XY, and (E) doesn’t consider ...
Coordinate Geometry 3 . D To shift left, subtract from the x-coordinate: 5 − 3 = 2; to shift up, a ...
respectively. Choices (B) and (D) result when the distance formula is not used. If you have trouble remembering the ...
Trigonometry 21 . E Draw a triangle and use SOHCAHTOA to label the known sides: leg MN is 3, and hypotenuse ...
Since you are looking for the distance between the base of the ladder and the wall, represented by x, you are dealin ...
53 . D Draw the triangle to determine that side YZ is opposite X, and side XZ is opposite Y. Using ...
amplitude is indicated by A, vertical shift is indicated by D, and the range is between −A + D and A + ...
GEOMETRY DRILL 2 Plane Geometry 7. What is the perimeter, in meters, of a parallelogram with side lengths o ...
D. 180 E. 360 Brandie bought a few cans of paint, and each can contains enough paint to cover 300 square m ...
length to the base. If the line WY is a diameter of circle O, what is the area, in square inches, of ...
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