abcd according added adopted altitude Application axis base bisected centre chord circle circumference common complete consequently construction contain continued convert corresponding cutting deduction demonstration diagonal diameter direction distance divided division double draw line drawn ellipse entire equal equal sides equidistant equivalent Euclid example external angle figure four geometrical give given greater half height hypothenuse inches included indefinite join latter length less line ac mark mean measure mode Multiply oblique operations opposed angle opposite parallel parallelogram passing perpendicular portion practical proof proportion proposition radius ratio rectangle regards remarks respectively result right angles right line rule secant Sect segment semicircle shown side ac similar simple square student summit surface taken taking tangent term third triangle
Σελίδα 14 - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Σελίδα 7 - A circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the center, Fig.
Σελίδα 96 - Any two sides of a triangle are together greater than the third side.
Σελίδα 73 - Parallelograms on the same base, and between the same parallels, are equal to one another.
Σελίδα 278 - Therefore all the interior angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 14 - Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.
Σελίδα 266 - A sphere is a solid, bounded by a curved surface, every part of which is equally distant from a point within, called the centre.
Σελίδα 45 - From a given point without a line, to draw a perpendicular to that line. Let AB be the given line, and C the given point. From C draw any oblique line, as Cn.