Junior High School Mathematics, Book 3

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Page 217 - The line joining the midpoints of two sides of a triangle is parallel to the third side and equal to one-half of it.
Page 116 - The formula states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the base and altitude.
Page 77 - To multiply a fraction by a fraction. Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 279 - 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. mi.) Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.
Page 160 - Euclidean geometry, it is logically necessary that the square on the hypotenuse of a right triangle is equal to the sum of the squares on the other two sides.
Page 279 - Length 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5§...
Page 116 - Euclid's, and show by construction that its truth was known to us ; to demonstrate, for example, that the angles at the base of an isosceles triangle are equal...
Page 177 - If two triangles have two angles and the included side of one equal respectively to two angles and the included side of the other, the triangles are congruent.
Page 178 - Two triangles are congruent if two angles and the included side of one are equal respectively to two angles and the included side of the other.
Page 168 - Two triangles are congruent if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.

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