## Schultze and Sevenoak's Plane and Solid Geometry |

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### Common terms and phrases

ABCD altitude angle base bisect bisector called chord circle circumference circumscribed common cone congruent Construct contains corresponding cylinder diagonals diagram diameter dihedral angles distance divide draw drawn equal equidistant equivalent exterior angle faces figure Find Find the area Find the volume four given line given point greater half Hence hexagon homologous included inscribed intersecting isosceles triangle lateral edge length limit means measured median meet method mid-points opposite sides parallel parallelogram passes perimeter perpendicular plane polygon polyhedron prism PROBLEM projection Proof Prop proportional PROPOSITION prove pyramid quadrilateral radii radius ratio rectangle respectively right angles right triangle segments sides similar sphere square straight line surface tangent THEOREM third transform triangle triangle ABC vertex vertices

### Popular passages

Page 222 - 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 208 - The area of a rectangle is equal to the product of its base and altitude.

Page 183 - If two chords intersect in a circle, the product of the segments of one is equal to the product of the segments of the other.

Page 160 - A line parallel to one side of a triangle divides the other two sides proportionally.

Page 82 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.

Page 70 - If two triangles have two sides of one equal respectively to two sides of the other, but the included angle of the first triangle greater than the included angle of the second, then the third side of the first is greater than the third side of the second.

Page 188 - Pythagorean theorem, which states that the sum of the squares of the sides of a right triangle is equal to the square of the hypotenuse.

Page 409 - A spherical polygon is a portion of the surface of a sphere bounded by three or more arcs of great circles. The bounding arcs are the sides of the polygon ; the...

Page 333 - The sum of any two face angles of a trihedral angle is greater than the third face angle.

Page 193 - In any obtuse triangle, the square of the side opposite the obtuse angle is equal to the sum of the squares of the other two sides, increased by twice the product of one of these sides and the projection of the other side upon it.