## Yale University Entrance Examinations in Mathematics: 1884 to 1898 |

### From inside the book

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**pyramid**is one - third the volume of a prism having the same base and altitude . 5. Assuming the earth to be a sphere , what portion of its surface is contained in the zone extending 30 ° on each side of the equator ? t SEPTEMBER 1889 ... Page 21

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**pyramid**, and second , the volume of any**pyramid**. 5. Give a method of calculating the area of any spherical triangle , and apply it to an equiangular triangle whose sides are arcs of 60 ° on a sphere of unit radius . SEPTEMBER 1891 ... Page 25

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**pyramid**by a plane parallel to its base , show ( a ) , the edges and altitude to be divided proportion- ally , and ( b ) , the section made to be a polygon similar to the base . Apply the theorem to a cone . 3. Define symmetrical ... Page 29

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**pyramid**has a for its altitude and each side of its base . Find the area of a section par- allel to the base and distant a from the vertex , and get the volume of the original**pyramid**. 3. Define similar cylinders of revolution . Show ... Page 30

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**pyramid**, cylindrical sur- face , frustum of a cone , spherical polygon , lune , and zone . 2. ( a ) Two planes perpendicular to the same line are parallel . ( b ) Two lines perpendicular to the same plane are parallel . 3. Two prisms ...### Common terms and phrases

binomial formula binomial theorem bisected chord circle circumference circumscribed common logarithm cone Construct continued fraction cosine Deduce Define Derive the formula Divide drawn Expand Express an angle expressions into factors feet Find the area Find the number Find the value following expressions fraction geometric geometric progression given points hypothenuse inches included angle inscribed JUNE line perpendicular locus loga method of undetermined number of terms parallelopiped perimeter perpendicular polyhedral angle polyhedrons prism pyramid QUADRATICS radians radii radius ratio regular polygons regular polyhedrons Resolve the following right angles secant segments SEPTEMBER series of ascending SHEFFIELD SCIENTIFIC SCHOOL Show similar polygons simplest form Simplify the following simultaneous equations sine SOLID AND SPHERICAL Solve the equation Solve the simultaneous sphere spherical triangle tangent tetrahedron theorem trigonometric functions undetermined coefficients vertex volume

### Popular passages

Page 173 - Two triangles having an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles.

Page 4 - The sum of any two face angles of a trihedral angle is greater than the third face angle.

Page 190 - In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides, minus twice the product of one of these sides and the projection of the other side upon it.

Page 125 - The bisector of an angle of a triangle divides the opposite side into segments which are proportional to the adjacent sides.

Page 115 - IF a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles ; and the three interior angles of every triangle are equal to two right angles.

Page 171 - The area of a circle is equal to one-half the product of its circumference and radius.

Page 35 - If two sides of a triangle are unequal, the angles opposite are unequal, and the greater angle is opposite the greater side.

Page 37 - In two polar triangles each angle of the one is the supplement of the opposite side in the other. Let ABC, A'B'C

Page 125 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...

Page 186 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.