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 Βιβλία Βιβλία 81 - 90 από 170 για Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled.... Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides. Rainey's Improved Abacus: An Explanatory Treatise on the Theory and Practice ... - Σελίδα 237
των Thomas Rainey - 1849 - 312 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## New Practical Arithmetic

Eugene L. Dubbs - 1901 - 440 σελίδες
...angle, as AB. The truth of the following principles has been established by geometry : PRINCIPLE I. The square of the hypotenuse of a rightangled triangle is equal to the sum of the squares of the base and the perpendicular. PRINCIPLE II. The square of either side of a rightangled... ## Graded Work in Arithmetic, Βιβλίο 9

Samuel Wesley Baird - 1901
...ATI the Base, and the side EG the Perpendicular. 678. It is an established principle of Geometry that the square of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the base and the perpendicular. 679. The diagram at the right illustrates the preceding... ## The First Men in the Moon

Herbert George Wells - 1901 - 342 σελίδες
...equal sides be produced the angles on the other side of the base are equal also, or that the square on the hypotenuse of a right-angled triangle is equal to the sum of the squares on the two other sides. By demonstrating our knowledge of these things we should demonstrate... ## A Short Account of the History of Mathematics

Walter William Rouse Ball - 1901 - 527 σελίδες
...cases (namely when the ratio of the sides is 3 : 4 : 5 or 1:1: N/2) the area of the square described on the hypotenuse of a right.angled triangle is equal to the sum of the areas of the squares described on the sides. It is barely possible that a few geometrical theorems... ## A Text-book of Physics

William Watson - 1902 - 951 σελίδες
...increases from o° to 90°. Ans. sin 30° = .5 ; cos 60° = .5 ; tan 45°=!. 3. Given that the square on the hypotenuse of a right-angled triangle is equal to the sum of the squares on the other scales, prove that sin2 0 + cos3 9=i. 4. The angle subtended by the diameter... ## Euclid, His Life and System

Thomas Smith (D.D.) - 1902 - 227 σελίδες
...angles of every triangle are, in their sum, equal to two right angles. (4) That the square described on the hypotenuse of a right-angled triangle is equal to the sum of the squares described on its two sides. These truths, which he demonstrated in his I. 5, 15, 32, 47,... ## Stair Building ; Ornamental Ironwork ; Roofing ; Sheet-metal Work ; Building ...

International Correspondence Schools - 1903 - 627 σελίδες
...building have been fixed. The accuracy of the angles laid out in this manner may be checked by the rule (The square of the hypotenuse of a right-angled triangle is equal to the sum of the squares on the other two sides). The survey of the property gives the lines and levels and locates... ## Rameau and Musical Thought in the Enlightenment

Thomas Christensen - 2004 - 327 σελίδες
...listening to the corps sonore that the Egyptian priests first discovered the Pythagorean theorem, to wit, the square of the hypotenuse of a right-angled triangle is equal to the sum of the squares of its two sides.10 How could this be? Rameau thought that in perceiving the arithmetic...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## Mathematics for the Million

Lancelot Thomas Hogben - 1968 - 648 σελίδες
...Fig. 25 makes with the landmark a horizontal angle of 45°. Demonstration 4 The square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides. 3f Fig. 53. The Theorem of Pythagoras This is the...
Περιορισμένη προεπισκόπηση - Σχετικά με αυτό το βιβλίο ## ST(P) Mathematics 5A Second Edition, Τόμος 5

...whose entries form a magic square. I 7. Pythagoras' theorem states that the area of the square drawn on the hypotenuse of a right-angled triangle is equal to the sum of the areas of the squares drawn on the other two sides of the triangle. Investigate other similar shapes...
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