Τι λένε οι χρήστες - Σύνταξη κριτικής
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allowed assistance Author's base Books bottom called CHAPTER circle collective commencing complete cone construction contained corresponding cross curve DEFINITION delineation described desk diagonal DIAGRAM diameter dicular direction discretion divided dots downstroke Draw a horizontal Draw a straight drawn effort elementary equal EXAMPLE exercise EXERCISE.-1 figure fixed formed four greater half hand horizontal line illustrated Infant Schools instruction INSTRUCTION.-1 intended introduced Join the extremities kind learning left side length letters loop lower mark means meet middle Model Lessons nearly objects oblong opposite sides outline oval parallel parallel lines parallelogram pencil perpen perpendicular plane PLATE portion preceding Published pupils pyramid QUESTIONS remaining right angles right line segment similar simple slanting line slate solid sphere square stand straight line subjects successive taking teacher teaching tion touch triangle turning upper upstroke various sizes vertical writing
Σελίδα 47 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Σελίδα 27 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Σελίδα 27 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Σελίδα 47 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Σελίδα 33 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Σελίδα 39 - A parallelogram is a four.sided figure, of which the opposite sides are parallel; and the diameter is the straight line joining two of its opposite angles.
Σελίδα 68 - A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains unmoved.
Σελίδα 67 - The axis of a cone is the fixed straight line about which the triangle revolves.