Plane Geometry

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Rand, McNally, 1918 - Geometry, Modern - 322 pages

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Page 298 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 183 - The internal bisector of an angle of a triangle divides the opposite side internally in the ratio of the sides containing the angle, and likewise the external bisector externally.
Page 185 - If a perpendicular is drawn from the vertex of the right angle to the hypotenuse of a right triangle: 1st.
Page 243 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.
Page 180 - 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.
Page 298 - LENGTH 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5| yards = 1 rod (rd.) 320 rods = 1 mile (mi.) 1 mile = 1,760 yd.
Page 190 - If two right triangles have an acute angle of one equal to an acute angle of the other, the right triangles are similar.
Page 103 - ... 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 184 - The bisector of an exterior angle of a triangle divides the opposite side externally into segments which are proportional to the other two sides. D "'"A
Page 186 - The sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse: a2 + b2 = c2.

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