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ABCD altitude B. I. Th base called centre chord circle circumference common cone consequently construct contains convex surface Cosine Cotang cubic cylinder demonstration describe diagonal diameter difference direction distance divided draw drawn equal equiangular extremities feet figure foot formed formula four frustum functions Geometry given greater half hence inches included inscribed intersect length less Let ABC logarithm mean measured meet method multiplied number of sides object one-half opposite parallel parallelogram pass perimeter perpendicular plane polygon prism PROBLEM proportion proposition Prove pupil pyramid quantities radius ratio reason rectangle regular relation respectively right angles rods secant shown sides similar Sine sphere square straight line subtracted Suppose Tang tangent THEOREM third triangle true vertex vertices volume
Page 42 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Page 66 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Page 63 - The area of a parallelogram is equal to the product of its base and altitude.
Page 41 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.
Page 138 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 100 - At a given point in a straight line to erect a perpendicular to that line. Let AB be the straight line, and let c D be a given point in it.
Page 101 - Through a given point to draw a straight line parallel to a given straight line, Let A be the given point, and BC the given straight line : it is required to draw through the point A a straight line parallel to BC.
Page 81 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.