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In every triangle, the square of the side subtending any of the acute angles, is less than the squares of the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular...
The figures of Euclid with the enunciations, as printed in Euclid's Elements ... - Page 29
by Euclides - 1840

## The School World, Volume 3

Education - 1901 - 548 pages
...(4) In every triangle the square on the side subtending an acute angle is less ihan the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall on it from the opposite...

## A Text-book of Euclid's Elements for the Use of Schools, Book 1

Euclid - Euclid's Elements - 1904 - 488 pages
...every triangle, the square on the side subtending an acute angle is less than the sum of the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall on it from the opposite...

## Annual Report of the Commissioners ..., Volume 71

1905 - 614 pages
...side subtending the obtuse angle exceeds the sum of the squares on the sides containing the obtuse angle by twice the rectangle contained by either of those sides and its continuation to meet a perpendicular on it from the opposite angle. 5. If two triangles have two...

## Calendar, Part 3

University of Calcutta - 1912 - 746 pages
...triangle, the square on the side subtending an acute 8 angle is less than the sum of the squares on the sides containing that angle by twice the rectangle contained by either of these sides nnd the projection on it of the other. ABC is a triangle and D is the middle point of AB....

## The Calendar

University of South Africa - Universities and colleges - 1913 - 768 pages
...every triangle, the square on the side subtending an acute angle is less than the sum of the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall on it from the opposite...

## The Dublin University Calendar, Volume 1

Trinity College (Dublin, Ireland) - 1917 - 560 pages
...the square of a side subtending an acute angle is less than the sum of the squares of the other sides by twice the rectangle contained by either of those sides, and the straight line intercepted between the acute angle and the perpendicular drawn to that side from the...

## Manual of Public Examinations for the Year

University of Queensland - Education - 1924 - 276 pages
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## Euclid's Elements, Books 1-6; Book 11

Euclid - Geometry - 1933 - 328 pages
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