Books Books If the square described upon one of the sides of a triangle, be equal to the squares described upon the other two sides of it ; the angle contained by these two sides is a right angle. The Elements of Euclid [book 1] for beginners, by J. Lowres - Page 39
by Euclides - 1852 ## Euclid's plane geometry, practically applied; book i, with explanatory notes ...

Euclides - 1863 - 72 pages
...curvature. PKOP. 48.— THKOH. — (Converse of the 4~th.) If the squares described upon one of the sides of a triangle be equal to the squares described upon the other two sides oj it ; the angle contained by the two sides is a rt. angle. Con.— P. 11, P. 3, Pst. 1.— DEM —Ax.... ## Liber Cantabrigiensis: An Account of the Aids Afforded to Poor ..., Volume 2

Robert Potts - 1863 - 482 pages
...ADFEis, equal to either of the triangles CFE or BDF. 4. If the square described upon one of the sides of a triangle be equal to the squares described upon the other two sides of it; the angle contained by these two sides is aright angle. 5. In. every triangle, the square of... ## Responsions

University of Oxford - Education, Higher - 1863 - 328 pages
...of its angles equal to a given rectilineal angle. 7. If the square described upon one of the sides of a triangle be equal to the squares described upon the other two sides of it, the angle contained by these two sides is a right angle. 8. If a straight line be divided into... ## Euclid's Elements of geometry, the first four books, by R. Potts. Corrected ...

Euclides - 1864 - 262 pages
...right-angled triangle, &c. QED PROPOSITION XLVIII. THEOREM. If the square described upon one of the sides of a triangle, be equal to the squares described upon the other two tides of it; the angle contained by these two sides is a right angle. Let the square described upon... ## The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864 - 448 pages
...right-angled triangle, &c. QE a. PROPOSITION' XLVIII. THEOREM. If the square described upon one of the sides of a triangle, be equal to the squares described upon the other two iides of it ; the angle contained bg thrie tiro sides is a right angle. Let the square described upon... ## Report of the Secretary for Public Instruction ...

Queensland. Department of Public Instruction - Education - 1866 - 332 pages
...the remaining sides, each to each, and the third angle of the one to the third angle of the other. 3. If the square described upon one side of a triangle...to the squares described upon the other two sides, these two sides contain a right angle. 4. Find a point in a straight line which shall be equally distant... ## Report on Education in the Parochial Schools of the Counties of Aberdeen ...

...Euclid's definition of a square faulty ? What consequence can be deduced from it, if it be admitted ? 2. If the square described upon one side of a triangle be equal to the sum of the squares described upon the other two sides of it, the angle contained by these two sides... ## The College Euclid: Comprising the First Six and the Parts of the Eleventh ...

Euclides - 1865 - 402 pages
...contain the right angle . . I. 47. 10. And conversely, if the square described upon one of the sides of a triangle be equal to the squares described upon the other two sides of it, the angle contained by these two sides is a right angle . I. 48. C. Relating to the Comparison... ## Willis's Current notes

Willis's Current notes - Education - 1868 - 804 pages
...line parallel to a given straight line ? 2. Prove that if a square described upon one of the sides of a triangle be equal to the squares described upon the other two sides of it, the angles contained by these sides is a right angle ? 3. Divide a right angle into three equal... 