Junior High School Mathematics ...

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H. Holt, 1923 - Mathematics
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Page 35 - 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 3 - If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
Page 36 - 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.
Page 6 - 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 24 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Page 25 - An exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Page 14 - Two right triangles are equal if the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other.
Page 53 - To measure a quantity is to find how many times it contains another quantity of the same kind, called a unit of measurement.
Page 35 - If from any point in the base of an isosceles triangle parallels to the equal sides be drawn, show that a parallelogram is formed whose perimeter is equal to the sum of the equal sides of the triangle.
Page 66 - ... 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.