Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 245
... radius or diameter . This formula is useful because the diameter is usually easy to measure ( see Fig . 29-9 ) , whereas the circum- ference is not . The next two theorems will develop a formula for the area of a circle in terms of the ...
... radius or diameter . This formula is useful because the diameter is usually easy to measure ( see Fig . 29-9 ) , whereas the circum- ference is not . The next two theorems will develop a formula for the area of a circle in terms of the ...
Σελίδα 250
... radius of a regular inscribed hexagon is r , prove that its side = r , and its apothem r√3 . = 5. If the radius of an inscribed equilateral triangle is r , prove that its side = r√3 , and its apothem = r . 6. If the radius of an ...
... radius of a regular inscribed hexagon is r , prove that its side = r , and its apothem r√3 . = 5. If the radius of an inscribed equilateral triangle is r , prove that its side = r√3 , and its apothem = r . 6. If the radius of an ...
Σελίδα 251
... radius of the first is 50 cm . , ( a ) what is the radius of the second ? ( b ) What is the area of the first ? 11. What is ( a ) the circumference of a circle whose radius is 2.3 dm . ? ( b ) the area of the circle ? 12. What is the ...
... radius of the first is 50 cm . , ( a ) what is the radius of the second ? ( b ) What is the area of the first ? 11. What is ( a ) the circumference of a circle whose radius is 2.3 dm . ? ( b ) the area of the circle ? 12. What is the ...
Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
Πνευματικά δικαιώματα | |
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algebraic angle answer applied arithmetic Axiom base called Chapter Check circle circuit circumference coefficient common complex condition Construct COROLLARY curve decimal definition denominator difference direction distance divided division Draw drawn electrical engineering equal equation example exponent expression fact factor figure formula fraction frequency functions geometry given greater illustrated inches indicated involved length letters logarithms magnitude mathematical means measure method Multiply necessary negative Note obtained ohms operation parallel perpendicular places polygon positive possible practice Problems Prove quadratic quantity quotient radio radius ratio represented resistance result right angle root rule shown sides similar Simplify sine solution Solve square statement straight line substituted subtract Theorem triangle unit unknown usually vertical voltage volts wave zero