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The square described on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares described on the other two sides.
Elements of Geometry and Trigonometry from the Works of A.M. Legendre ... - Page 97
by Charles Davies - 1854 - 432 pages

## Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - 1868 - 338 pages
...equivalent to the algebraical formula, (a + b) X (a — 6) = a2 — b\ PROPOSITION XI. — THEOREM. 237. The square described on the hypothenuse of a right-angled...the squares described on the other two sides. Let ABC be a right-angled triangle, having the right angle at A ; then the square described on the hypothenuse...

## Reason and Revelation: Or, The Province of Reason in Matters Pertaining to ...

Robert Milligan - Apologetics - 1868 - 456 pages
...sustained by the common practice of mankind. The mechanic does not think it necessary, to prove that the square described on the hypothenuse of a right-angled...sum of the squares described on the other two sides, every time that he attempts to square a building. It is enough for him to know that this truth has...

## An Elementary Course of Plane Geometry

Richard Wormell - Geometry, Plane - 1868 - 261 pages
...equivalent to the quadrilateral AFD E, and then a rectangle equivalent to the triangle. The square on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares on the other sides. 148. Describe the squares on the sides (fig. 126), and through D, the right-angle,...

## The Normal Elementary Geometry: Embracing a Brief Treatise on Mensuration ...

Edward Brooks - Geometry - 1868 - 294 pages
...(« + &) (a THEOREM VI. The square described on the hypothenuse of a right-angled triangle is equal to the sum of the squares described on the other two sides. Let ABC be a triangle, right-angled at B; then will For, construct squares on each of the sides, draw BD...

## Treatise on Geometry and Trigonometry: For Colleges, Schools and Private ...

Eli Todd Tappan - Geometry - 1868 - 436 pages
...demonstration from Euclid. 408. Theorem — The square described on the hypotenuse of a right angled triangle is equivalent to the sum of the squares described on the two legs. Let ABC be a right angled triangle, having the right angle BAC. The square described on the...

## The Elementary and Complete Examiner: Or, Candidate's Assistant: Prepared to ...

Isaac Stone - Educational tests and measurements - 1869 - 278 pages
...described on the lines, together with twice the rectangle contained by the lines." P. VIII. B. IV. "The square described on the hypothenuse of a right-angled...of the squares described on the other two sides." P. XI. B. IV. " In every quadrilateral inseribed in a circle, the rectangle of the two diagonals, is...

## The Elementary and Complete Examiner: Or, Candidate's Assistant: Prepared to ...

Isaac Stone - Educational tests and measurements - 1869 - 272 pages
...described on the lines, together with twice the rectangle contained by the lines." P. VIII. B. IV. "The- square described on the hypothenuse of a right-angled...of the squares described on the other two sides." P. XI. B. IV. "In every quadrilateral inscribed in a circle, the rectangle of the two diagonals, is...

## Elements of Geometry, Plane and Spherical: With Numerous Practical Problems

Horatio Nelson Robinson - 1869 - 276 pages
...and (a + b) x (a — b) = a * — b\ THEOREM XXXIX. TJte square described on the hypotenuse of any right-angled triangle is equivalent to the sum of the squares described on the other two sides. Let ABC represent any right-angled triangle, the right angle at B; we are to prove that the square on AC...