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" The angles at the base of an isosceles triangle are equal to each other ; and if the equal sides be produced, the angles on the other side of the base shall be equal. "
Solutions to the questions of the general examination at Easter, 1848 ... - Σελίδα 230
των J. Goodall, W. Hammond - 1848
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The elements of plane trigonometry, Τόμος 1

John Charles Snowball - 1837
...С); Again, since each of the angles A, B, С is less than тг, .-. A + B + С<3тг. 22. The angles at the base of an isosceles triangle are equal to each other. (Fig. Art. 28.) Suppose ABC to be an isosceles triangle, having AB = AC, and therefore ¿ AOB = z AOC....

A complete treatise on Practical Land-Surveying, etc

Thomas Holliday - 1838 - 80 σελίδες
...the shortest straight line that can be drawn from the vertical angle to the base. Note 1. The angles at the base of an isosceles triangle are equal to each other. 2. A line drawn from the middle of the base of an isosceles triangle to the opposite angle is perpendicular...

The British Annals of Education for ...: Being The Scholastic ..., Τόμος 1

1844
...A. 1 . Define a circle and the centre of a circle. What do you understand by an angle in a segment ? 2. The angles at the base of an isosceles triangle are equal to one another ; and if tbe equal sides be produced, the angles upon the other side of the base shall...

Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845
...of the one equal to two sides, &c. Which was to be demonstrated. PROPOSITION V. THEOREM. The angles at the base of an isosceles triangle are equal to each other; and if the equal sides be produced, the angles on the other side of the base shall be equal. Let ABC...

Minutes of the Committee of Council on Education, with Appendices, Τόμος 2

Great Britain. Committee on Education - 1848
...each Section is to be answered.) Section 1. 1. Define я circle, a triangle, an isosceles triangle, and an equilateral triangle. Prove that the angles,...point out the equivalence of the two assumptions. Section 2. 1. Make a triangle of which the sides shall be equal to three given straight lines. State...

Report of the Committee of Council on Education (England and Wales ..., Τεύχος 2

Great Britain. Council on Education - 1848
...each Section is to be answered.) Section 1. 1. Define a circle, a triangle, an isosceles triangle, and an equilateral triangle. Prove that the angles,...point out the equivalence of the two assumptions. .Section 2. 1. Make a triangle of which the sides shall be equal to three given straight lines. Slate...

Minutes of the Committee of Council on Education, with Appendices, Τόμος 1

Great Britain. Committee on Education - 1848
...a straight line perpendicular to a given straight line from a given point within it. 3. The angles at the base of an isosceles triangle are equal to each other, and if tho equal sides be produced the angles on the other side of the base shall be equal. Section...

The English Journal of Education, Τόμος 2

1848
...it. — See " Bell's Euclid," prop. i. book i. ; or " Tate's Geometry," &c. page 21. 3. The angles at the base of an isosceles triangle are equal to each other, and if the equal sides be produced, the angles on the other side of the base shall be equal. — See...

Report of the Committee of Council on Education (England and Wales ..., Τεύχος 1

Great Britain. Council on Education - 1848
...straight line from a given point within it. 1. Define a plane superficies, and a circle. 3. The angles at the base of an isosceles triangle are equal to each other, and if the equal sides be produced the angles on the other side of the base shall be equal. Section...

General Report on Public Instruction in the Bengal Presidency

1863
...; prove that AC and BD bisect each other. Under wht circumstances will AC equal BD ? 8. The angles at the base of an isosceles triangle are equal to each other. Give Euclid's proof of this proposition. How might it be proved if you were permitted to bisect an...




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