# A Treatise of Practical Surveying, ...

1808 - 440 σελίδες

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Δεν εντοπίσαμε κριτικές στις συνήθεις τοποθεσίες.

### Περιεχόμενα

 Ενότητα 1 11 Ενότητα 2 14 Ενότητα 3 15 Ενότητα 4 26 Ενότητα 5 59 Ενότητα 6 75 Ενότητα 7 106 Ενότητα 8 107
 Ενότητα 14 161 Ενότητα 15 165 Ενότητα 16 166 Ενότητα 17 167 Ενότητα 18 173 Ενότητα 19 206 Ενότητα 20 212 Ενότητα 21 225

 Ενότητα 9 122 Ενότητα 10 128 Ενότητα 11 129 Ενότητα 12 148 Ενότητα 13 155
 Ενότητα 22 232 Ενότητα 23 238 Ενότητα 24 244 Ενότητα 25 92

### Δημοφιλή αποσπάσματα

Σελίδα 32 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 199 - ... that triangles on the same base and between the same parallels are equal...
Σελίδα 94 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 23 - Four quantities are said to be in proportion when the product of the extremes is equal to that of the means : thus if A multiplied by D, be equal to B multiplied by C, then A is said to be to B as C is to D.
Σελίδα 95 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 37 - ABDE+ACGF the sum of the squares —BKLH-\-KCML, the sum of the two parallelograms or square BCMH; therefore the sum of the squares on AB and AC is equal to the square on BC.
Σελίδα 24 - Things that are equal to one and the same thing, are equal to each other. 2. Every whole is greater than its part. % 3. Every whole is equal to all its parts taken together. 4 If to equal things, equal things be added, the whole will be equal. 5. If from equal things, equal things be deducted the remainders will be equal.
Σελίδα 36 - XIII. •All parallelograms on the same or equal bases and between the same parallels...
Σελίδα 182 - VI. To find the content of a triangular piece of ground, Multiply the base by half the perpendicular, or the perpendicular by half the base ; or take half the product of the base into the perpendicular. The reason hereof is plain, from cor.
Σελίδα 35 - Triangles upon equal bases, and between the same parallels, are equal to one another.