1 Introduction To Common Fractions And Mixed Numbers 2 Addition Of Common Fractions And Mixed Numbers 3 Subtraction Of Common Fractions And Mixed Numbers 4 Multiplication Of Common Fractions And Mixed Numbers 5 Division Of Common Fractions And Mixed Numbers 6 Combined Operations Of Common Fractions And Mixed Numbers 7 Computing With A Calculator 8 Computing With A Spreadsheet 9 Introduction To Decimal Fractions 10 Rounding Decimal Fractions And Equivalent Decimal And Common Fractions 11 Addition And Subtraction Of Decimal Fractions 12 Multiplication Of Decimal Fractions 13 Division Of Decimal Fractions 14 Powers 15 Roots 16 Table Of Decimal Equivalents And Combined Operations Of Decimal Fractions 17 Computing With A Calculator 18 Computing With A Spreadsheet 19 Achievement Review—section One 20 Ratio And Propor Tion 21 Direct And Inverse Proportions 22 Introduction To Percents 23 Basic Calculations Of Percentages, Percents, And Rates 24 Percent Practical Applications 25 Achievement Review—section Two 26 Customary (english) Units Of Measure 27 Metric Units Of Linear Measure 28 Degree Of Precision, Greatest Possible Error, Absolute Error, And Relative Error 29 Tolerance, Clearance, And Interference 30 Customary And Metric Steel Rules 31 Customary Vernier Calipers And Height Gages 32 Metric Vernier Calipers And Height Gages 33 Digital Calipers And Height Gages 34 Customary Micrometers 35 Metric Vernier Micrometers 36 Digital Micrometers 37 Customary And Metric Gage Blocks 38 Achievement Review—section Three 39 Symbolism And Algebraic Expressions 40 Signed Numbers 41 Algebraic Operations Of Addition, Subtraction, And Multiplication 42 Algebraic Operations Of Division, Powers, And Roots 43 Introduction To Equations 44 Solution Of Equations By The Subtraction, Addition, And Division Principles Of Equality 45 Solution Of Equations By The Multiplication, Root, And Power Principles Of Equality 46 Solution Of Equations Consisting Of Combined Operations And Rearrangement Of Formulas 47 Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time 48 Applications Of Formulas To Spur Gears 49 Achievement Review—section Four 50 Lines And Angular Measure 51 Protractors—simple Semicircular And Vernier 52 Types Of Angles And Angular Geometric Principles 53 Introduction To Triangles 54 Geometric Principles For Triangles And Other Common Polygons 55 Introduction To Circles 56 Arcs And Angles Of Circles, Tangent Circles 57 Fundamental Geometric Constructions 58 Achievement Review—section Five 59 Areas Of Rectangles, Parallelograms, And Trapezoids 60 Areas Of Triangles 61 Areas Of Circles, Sectors, And Segments 62 Volumes Of Prisms And Cylinders 63 Volumes Of Pyramids And Cones 64 Volumes Of Spheres And Composite Solid Figures 65 Achievement Review—section Six 66 Introduction To Trigonometric Functions 67 Analysis Of Trigonometric Functions 68 Basic Calculations Of Angles And Sides Of Right Triangles 69 Simple Practical Machine Applications 70 Complex Practical Machine Applications 71 The Cartesian Coordinate System 72 Oblique Triangles 73 Achievement Review—section Seven 74 Introduction To Compound Angles 75 Drilling And Boring Compound-angular Holes 76 Drilling And Boring Compound-angular Holes 77 Machining Compound-angular Surfaces 78 Computing Angles Made By The Intersection Of Two Angular Surfaces 79 Computing Compound Angles On Cutting And Forming Tools 80 Achievement Review—section Eight 81 Introduction To Computer Numerical Control (cnc) 82 Control Systems, Absolute Positioning, Incremental Positioning 83 Location Of Points 84 Binary Numeration System 85 Hexadecimal Numeration System 86 Bcd (binary Coded Decimal) Numeration Systems 87 An Introduction To G- And M-codes For Cnc Programming 88 Achievement Review—section Nine Chapter50: Lines And Angular Measure
Chapter Questions Section: Chapter Questions
Problem 1A: Refer to the Decimal-Inch Spur Gears Table under the heading "Gearing-Diametral Pitch System" in... Problem 2A: If the cutting speed is 160 m/min and the workpiece or tool diameter is 45.27 mm, use N=1000C3.1416D... Problem 3A: Solve the equation 28A2=(5+A)(2A)for A. Problem 4A: Use the addition of equality to solve p2.0053=4.7907 Problem 5A: If a=5.2,b=4.8,and c=7.25 ,what is the value of 2a2b+4cabc9a ? If necessary, round your answer to 3... Problem 6A: Read the setting in Figure 50-21 of the metric micrometer scale graduated in 0.01 mm. Problem 7A: Refer to Figure 50-22 and identify each of the following as parallel, perpendicular, or oblique... Problem 8A Problem 9A: Write the symbols for the following words. a. parallel b. perpendicular c. degree d. minute e.... Problem 10A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 11A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 12A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 13A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 14A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 15A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 16A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 17A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 18A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 19A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 20A: Express the following decimal degrees as degrees and minutes. When necessary, round the answer to... Problem 21A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 22A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 23A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 24A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 25A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 26A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 27A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 28A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 29A: Express the decimal degrees as degrees, minutes, and seconds. When necessary, round the answer to... Problem 30A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 31A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 32A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 33A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 34A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 35A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 36A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 37A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 38A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 39A: Express the following degrees and minutes as decimal degrees. Round the answer to 2 decimal places.... Problem 40A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 41A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 42A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 43A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 44A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 45A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 46A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 47A: Express the following degrees, minutes, and seconds as decimal degrees. Round the answer to 4... Problem 48A: Determine 1. Problem 49A: Determine 2. Problem 50A: Determine 3. Problem 51A: Determine 1+2+3. Problem 52A: Determine 5. Problem 53A: Determine 6. Problem 54A: Determine 7+8+9 Problem 55A: Determine 1+2+3+4+5. Problem 56A: Subtract the angles in each of the following exercises. 114 - 89 Problem 57A: Subtract the angles in each of the following exercises. 92 35' - 7626' Problem 58A: Subtract the angles in each of the following exercises. 6323' - 3258' Problem 59A: Subtract the angles in each of the following exercises. 12236'17" - 1315'08" Problem 60A: Subtract the angles in each of the following exercises. 4934'12" - 1913'42" Problem 61A: Subtract the angles in each of the following exercises. Determine 1. Problem 62A: Subtract the angles in each of the following exercises. Determine 32. Problem 63A: Subtract the angles in each of the following exercises. Determine 2 . Problem 64A: Subtract the angles in each of the following exercises. Determine 12. . Problem 65A: Subtract the angles in each of the following exercises. In the figure shown, 6=720(1+2+3+4+5).... Problem 66A: Multiply the angles in each of the following exercises. 7(15) Problem 67A: Multiply the angles in each of the following exercises. 3(2919) Problem 68A: Multiply the angles in each of the following exercises. 2(4343) Problem 69A: Multiply the angles in each of the following exercises. 5(221013) Problem 70A: Multiply the angles in each of the following exercises. 8(432328) Problem 71A: In the figure shown, 1=2=42. Determine 3. Problem 72A: IF x=3914,find 4. Problem 73A: In the figure shown, 1=2=3=4=5=5403. Determine 6. Problem 74A: Divide the angles in each of the following exercises. 942 Problem 75A: Divide the angles in each of the following exercises. 872 Problem 76A: Divide the angles in each of the following exercises. 105204 Problem 77A: Divide the angles in each of the following exercises. If 1=2, find 1. Problem 78A: Divide the angles in each of the following exercises. Determine x. Problem 79A: Divide the angles in each of the following exercises. Determine y. Problem 80A: Divide the angles in each of the following exercises. If 1=2=3=4,find 1. Problem 81A: The sum of the angles in figure equals shown equals 1440. If 1=2=3=4=5=6 and 7=8=9=10=1181423,find... Problem 71A: In the figure shown, 1=2=42. Determine 3.
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Concept explainers
Using the 41 degree angle as the reference angle which side is the hypotenuse when labeling the triangle
Transcribed Image Text: angle as the reference angle,
15
41°
22.86
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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