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" 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
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Elements of geometry, containing the first two (third and fourth ..., Part 1

Euclides - 1871 - 136 pages
...the segments of the base. 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 sides of it, the angle contained by those sides is a right angle. 0 Let the sq. on BC, a side of A ABC,...
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The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874 - 342 pages
...right-angled triangle, &c. QED PROPOSITION 48.— Theorem. 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. Let the square described upon BC, one...
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Recent military, naval, and civil service examination papers in mathematics ...

Braithwaite Arnett - 1874 - 130 pages
...of its angles equal to a given rectilineal angle. 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 a right angle. B 5. Describe a square on a given...
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Pure mathematics, Volume 1

Edward Atkins - 1874 - 424 pages
...right-angled triangle, &c. Q- ED Proposition 48. — Theorem. 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. Let the square described upon BC, one...
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The Teachers' assistant and pupil teachers' guide, Volume 1

1876 - 400 pages
...meet the two lines will be bisected in that point. 2. 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. ALGEBRA.— 1. Find the value of (2...
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The Pupil teacher, a monthly educational journal. H. Major, ed

Henry Major - 1876 - 784 pages
...the same straight line are parallel to each other. 2. 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. What is the converse proposition ?...
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Examination Christmas,1875

Education Department,London - 1876 - 1010 pages
...triangle EOD is one sixth of the whole triangle ABC. 2. 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. AC, AD is drawn perpendicular to BC....
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Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 130 pages
...right-angled triangle, &c. QED Proposition 48. — Theorem. If the square described vpon 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. Let the square described upon BC, one...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1876 - 446 pages
...between the same parallels, are equal to one another. 3. 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 those two sides is a right angle. 4. If a straight line be divided into...
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Elements of geometry, based on Euclid, book i

Edward Atkins - 1877 - 72 pages
...right-angled triangle, &c. QED Proposition 48. — Theorem. 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. Let the square described upon BC, one...
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