Τι λένε οι χρήστες - Σύνταξη κριτικής
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absurd AC and CB added appears arch assumed base becomes bisected Book called centre circle circumference co-efficient common Const construct contained oftener describe difference divided double draw drawn equal angles equal by Prop equation equi-submultiples equiangular equilateral evident example external angle extremity fall figure fore fourth fraction given line given right line greater half Hypoth inscribed internal less means meet multiplied namely opposite parallel parallelogram pass perpendicular possible PROBLEM produced proportional PROPOSITION quantities ratio rectangle rectangle under AC rectilineal figure remaining right angles root RULE segment side AC similar similarly similarly demonstrated squares of AC stand submultiple subtract taken term THEOREM third touches triangle BAC twice the rectangle whole
Σελίδα 20 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 209 - ... they have an angle of one equal to an angle of the other and the including sides are proportional; (c) their sides are respectively proportional.
Σελίδα 218 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Σελίδα 114 - To reduce fractions of different denominators to equivalent fractions having a common denominator. RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Σελίδα 90 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 129 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 163 - Magnitudes are said to be in the same ratio, the first to the second and the third to the fourth, when, if any equimultiples whatever be taken of the first and third, and any equimultiples whatever of the second and fourth, the former equimultiples alike exceed, are alike equal to, or alike fall short of, the latter equimultiples respectively taken in corresponding order.
Σελίδα 215 - ... are to one another in the duplicate ratio of their homologous sides.