Books Books PBOR. —To describe an isosceles triangle, having each of the angles at the base, double of the third angle. Take any straight... The Elements of Euclid; viz. the first six books, together with the eleventh ... - Page 89
by Euclides - 1834 ## Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volume 2

...with its small angle turned to each extremity of the line. X — On affinen line, as AB, to construct an isosceles triangle, having each of the angles at the base double the vertical angle. Fig. 9. Bisect the given line AB, perpendicularly (by Prop. III.) by the line С... ## Mechanics Magazine, Volume 2

Industrial arts - 1824
...with its small angle turned to each extremity of the line. X.— On a given line, as AB, to construct an isosceles triangle, having ; each' of the angles at the base double [ the vertical angle. Fig. 9. - Bisect the given line AB, perpendicularly (by Prop. III.) by the line... ## A Supplement to the Elements of Euclid

Daniel Cresswell - Euclid's Elements - 1825 - 582 pages
...of the proposition, is shewn the method of describing, upon a given finite straight line as a base, an isosceles triangle, having each of the angles at the base double of the third angle. 25. COR. 3. The figure ABHFMCDGEL being an equilateral and equiangular decagon, if the points A, H,... ## A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - Mathematics - 1825 - 372 pages
...to be done. PIIOP. X. PROB. To describe an isoceks triangle, having each of the angles at the bute double of the third angle. Take any straight line AB, and divide (Ha) it in the point C, so that the rectangle AB, BC, be equal to the sqiiTe of CA ; and fnun the centre... ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

Euclid, John Playfair - Euclid's Elements - 1826 - 320 pages
...was to be done. PROP. X. PROS, : . To deseribe an isoseeles triangle, having eaeh of the an-' gles at the base double of the third angle. Take any straight' line AB, and divide (it. 2.) it in the point C, so that the reetangle AB, BC may be equal to the square of AC; and from the... ## Elements of Geometry, Containing the First Six Books of Euclid

Euclid - 1826 - 180 pages
...&c. QEF Deduction. To describe a circle about a given parallelogram. PROPOSITION X. PROBLEM. To make an isosceles triangle having each of the angles at the base double of the remaining angle. Let AB be any given right line, and • 1i. 2. cut it in the point с,a so that the... ## Euclid's Elements of geometry, transl. To which are added, algebraic ...

Euclides - 1826
...point E. Deduction. To describe a circle about a given parallelogram. PROPOSITION X. PROBLEM. To make an isosceles triangle having each of the angles at the base double of the remaining angle. Let AB be any given right line, and cut it in the point c, a so that the rectangle... ## The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - Trigonometry - 1827 - 513 pages
...extremities of the other three, and be described about the square ABCD. Which was to be done. PROP. X. PROB. To describe an isosceles triangle, having each of the angles at the base double of the third angle. •11.2. Take any straight line AB, and divide* it in the point C, so that the rectangle AB, BC may... ## Elements of Geometry: With Notes

John Radford Young - Euclid's Elements - 1827 - 208 pages
...hence the triangles ABC, abc are similar. / PROPOSITION XIV. PROBLEM. Upon a given base AB to construct an isosceles triangle, having each of the angles at the base double the vertical angle. Produce AB till the rectangle AC-BC may be equal to the square of AB (Prop. XXXII.... 