Iconographic Encyclopaedia of Science, Literature, and Art, Τόμος 1


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Σελίδα 9 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Σελίδα 368 - From the foregoing statements it may be safely inferred that " the mean height of the barometer at the level of the sea being the same in every part of the globe...
Σελίδα 9 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 20 - The area of a spherical triangle is proportional to the excess of the sum of its angles over two right angles (called the spherical excess).
Σελίδα 9 - Each side about the right angle is a mean proportional between the whole hypotenuse and the adjacent segment.
Σελίδα 188 - W-TJT, or the force is to the weight as the height of the plane to its base.
Σελίδα 68 - Hence a straight line drawn from the vertex of an isosceles triangle, to the middle of the base, is perpendicular to that base, and divides the vertical angle into two equal parts.
Σελίδα 87 - The geographical longitude of a place is the arc of the equator intercepted between the...
Σελίδα 9 - The measure of each angle of an equilateral triangle is 60°. 11. a. A triangle that has a right angle is called a right triangle. b. In a right triangle, the two acute angles are complementary. c.
Σελίδα 206 - To find the time in which pendulums of different lengths would vibrate, that which vibrates seconds being 39.2 inches. The time of the vibrations of pendulums are to each other, as the square roots of their lengths ; or, their lengths are as the squares of their times of vibrations. RULE. As the square of one second is to the square...

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