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ABCD altitude base bisectors called chord circle circular circumference circumscribed coincide common Compare cone congruent construct contained Corollary corresponding cube curve cylinder diagonal diameter difference dihedral angle distance divide Draw drawn edges equal EXERCISES faces fact figure Find fixed follows four Geometry given given line given point greater half height hence hypotenuse inches included inscribed interior angles intersection isosceles joining lateral length less locus means measured meet NOTE opposite parallel parallelepiped parallelogram passes perimeter perpendicular placed plane polygon portion prism Problem Proof proportional prove pyramid radius ratio rectangle regular polygon represent respectively right angles right triangle segment Show sides similar solid sphere spherical square straight line student surface tangent Theorem third trihedral unit vertex vertices volume
Σελίδα 168 - The area of a rectangle is equal to the product of its base and altitude ; that is, A = ab. 443. Corollary 1. The area of a square is equal to the square of its side. 444. Corollary 2. Tiro rectangles are to each other as the products of their bases and altitudes.
Σελίδα 154 - If two chords intersect within a circle, the product of the segments of one is equal to the product of the segments of the other.
Σελίδα 53 - If two parallel lines are cut by a transversal, the alternate interior angles are equal.
Σελίδα 133 - If the product of two numbers is equal to the product of two other numbers, either two may be made the means, and the other two the extremes of a proportion.
Σελίδα 66 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 309 - The sum of the angles of a spherical triangle is greater than two and less than six right angles ; that is, greater than 180° and less than 540°. (gr). If A'B'C' is the polar triangle of ABC...
Σελίδα 294 - The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle.
Σελίδα 134 - If four quantities are in proportion, they are in proportion by inversion ; that is, the second term is to the first as the fourth is to the third.