Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce Morton] 1830. Elements of trigonometry, by W. Hopkins. 1833. Elements of spherical trigonometry, by A. De Morgan. A treatise on algebraical geometry, by S.W. Waud. 1835Baldwin & Craddock, 1835 |
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Side 3
... centre of the circle ; and the distance from the centre to the circumference is called the ra- dius , or , sometimes , the semidiameter , because it is the half of a straight line passing through the centre and termi- nated both ways by ...
... centre of the circle ; and the distance from the centre to the circumference is called the ra- dius , or , sometimes , the semidiameter , because it is the half of a straight line passing through the centre and termi- nated both ways by ...
Side 8
... centre Produce B A to D , so that A D may be equal to A C , and join C D. Then , because A D is equal to A C , the angle ACD is equal to ADC ( 6. ) But the angle BCD is greater than ACD : therefore , the angle BCD is greater also than ...
... centre Produce B A to D , so that A D may be equal to A C , and join C D. Then , because A D is equal to A C , the angle ACD is equal to ADC ( 6. ) But the angle BCD is greater than ACD : therefore , the angle BCD is greater also than ...
Side 10
... centre A and the radius AE de- scribe a circle cutting B C in the points B and C upon each side of the point D , ( Post . 2. ) . Bisect BC in F , and join AF , AB , AC , ( Post . 3. ) . Then because AB is equal to A C , ABC is an ...
... centre A and the radius AE de- scribe a circle cutting B C in the points B and C upon each side of the point D , ( Post . 2. ) . Bisect BC in F , and join AF , AB , AC , ( Post . 3. ) . Then because AB is equal to A C , ABC is an ...
Side 24
... centre , and with any distance from that centre . Although the paper be not an exact plane , nor the pen such as may serve to draw an exact line , these defects admit of being removed to any required degree , and do not , in the least ...
... centre , and with any distance from that centre . Although the paper be not an exact plane , nor the pen such as may serve to draw an exact line , these defects admit of being removed to any required degree , and do not , in the least ...
Side 25
... centre C , with a radius equal to three times M , describe a circle from the centre A , with a radius equal to five times M , describe a second circle , cutting the former in D , and join DC , DA . Then , A because the square C B M of ...
... centre C , with a radius equal to three times M , describe a circle from the centre A , with a radius equal to five times M , describe a second circle , cutting the former in D , and join DC , DA . Then , A because the square C B M of ...
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Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce ... Uten tilgangsbegrensning - 1835 |
Vanlige uttrykk og setninger
A B C ABCD adjacent angles altitude apothem base BC bisect centre chord circum circumference circumscribed coincide common measure common section compounded cone conic section contained convex surface cylinder describe a circle diameter dihedral angle divided draw drawn edges equal angles equimultiples ference fore four magnitudes frustum given point given straight line gles harmonical harmonical mean Hence hyperbola hypotenuse inscribed join likewise locus meet parallel parallelogram parallelopiped pass pendicular pentagon perimeter perpendicular plane prism Prob produced PROP proposition pyramid quadrilateral radii radius rallel rectangle rectilineal figure regular polygon respectively right angles Scholium scribed segment sides A B similar solid angles sphere spherical angle square of A B straight lines A B tangent third three sides touch triangle ABC vertex vertical