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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. "
First principles of Euclid: an introduction to the study of the first book ... - Σελίδα 140
των T S. Taylor - 1880
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The Pupil teacher, a monthly educational journal. H. Major, ed

Henry Major - 1876 - 784 σελίδες
...essay on " The British Umpire is one on which the sun never nets." 1 . If the pqnarc 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. 2. If a straight...

Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1876 - 446 σελίδες
...same base, and 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...

The Teachers' assistant and pupil teachers' guide, Τόμος 1

1876 - 400 σελίδες
...drawn through E to 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.—...

Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 130 σελίδες
...Therefore, in any 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...

Examination Christmas,1875

Education Department,London - 1876 - 1010 σελίδες
...show that the 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...

Elements of geometry, based on Euclid, book i

Edward Atkins - 1877 - 72 σελίδες
...Therefore, in any 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...

Solutions to the mathematical examination papers set for admission to the ...

D. Tierney - 1877 - 126 σελίδες
...lines towards the same parts, are also themselves equal and parallel. 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. 5. The diameter...

Civil Service of India: Open Competition for the Regulations, Examinations ...

1878 - 228 σελίδες
...the given lines may cut off from the other a segment of given length. 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 these two sides is a right angle. Construct...

Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879 - 146 σελίδες
...times the square on DF is thirteen times the square on the hypo"nuse. PROPOSITION XLVIII. THEOREM. If the square described on one of the sides of a triangle,...the other two sides of it ; the angle contained by these two sides is a right angle. Let the sq. described on BC, one of the sides of A ABC, = the sqs....

Parliamentary Papers, Τόμος 22

Great Britain. Parliament. House of Commons - 1879 - 632 σελίδες
...show that the angle DAE is equal to half the difference of B and C. 3. If the square described upon one of the sides of a triangle be equal to the squares...the other two sides of it, the angle contained by these two sides is a right angle. 4. If a straight line be divided into two parts, the square on the...




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