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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. "
Elements of geometry, based on Euclid, books i-iii - Page 53
by Edward Atkins - 1876 - 119 pages
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Report of the Secretary for Public Instruction ...

Queensland. Department of Public Instruction - Education - 1866 - 336 pages
...the third angle of the one to the third angle of the other. 3. If the square described upon one side of a triangle be equal 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...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson ...

Robert Potts - 1865 - 528 pages
...XLVIII. THEOREM. Jf the nyueire described upon one of tlie sides of a triangle, be equal to the square» described upon the other two sides of it ; the angle contained by the3e two sides i3 a rigid angle. Let the square described upon BC, one of the sides of the triangle...
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Elements of Geometry: Containing the First Six Books of Euclid: With a ...

John Playfair - Geometry - 1855 - 360 pages
...PROP. XLVIII. THEOR. If tfie square described upon one of the sides of a triangle, be equal to M» squares described upon the other two sides of it ; the angle contained by these turn sides is a right angle, If the square described upon BC, one of the sides of the triangle ABC,...
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The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...Wherefore, in any right-angled triangle &c. QED PKOPOSITION 48. THEOREM. If the square described on one of the sides of a triangle be equal to the squares described on the other two sides of it, the angle contained by these two sides is a right angle. Let the square...
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The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...Wherefore, in any right-angled triangle &c. QED PROPOSITION 48. THEOREM. If the square described on one of the sides of a triangle be equal to the squares described on the other two sides of it, the angle contained by these two sides is a right angle. Let the square...
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Willis's Current notes

Willis's Current notes - Education - 1868 - 804 pages
...poiut, a straight 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 parts ?...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - 434 pages
...Therefore, in any right-angled triangle, &c. QED PROPOSITION XLVin. THEOREM. If the square described upon one of the sides of a triangle, be equal to the squares described upon the other two tide* of it ; the angle contained by these two sides it a right angle. Let the square described upon...
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Report of the commissioners, Volume 6

Schools inquiry commission - Education - 1868 - 532 pages
...twice, and В is just one and a half times as good a workman as C. 1. If the square described upon one of the sides of a triangle be equal to the squares described upon the two other sides of it, then the angle contained by those two other sides is a right angle. 2. А В...
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Report on the examination for admission to the Royal military academy at ...

Woolwich roy. military acad - 1868 - 426 pages
...that the coefficients continually increase as the series proceeds. 10. If the square described on EC one of the sides of a triangle be equal to the squares described on the other two sides BA, AC, prove that the angle BAG is a right angle. If BDEC is the square described...
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Elements of geometry, containing the first two (third and fourth ..., Part 1

Euclides - 1871 - 136 pages
...the squares on 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...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, be equal to the sum of the sqq....
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