## Junior High School Mathematics: First [-third] Course, Book 3 |

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added amount angle answer average rate AXYZ base called cent CHAPTER CHECK circle circumference common complete construction contains cost cubic diagonal diameter difference digit dimensions distance divided divisor draw equal equation error Estimate EXAMPLE EXERCISES exponent expressed factors fall feet figures Find Find the number Find the product foot formula four fraction function given gives graphs height hence hour hypotenuse inch integers kind larger length letter mark means measure meters miles minus Multiply nearest Note obtained opposite pairs parallel parallelogram plane pounds problems Prove quantity quotient radius ratio reading rectangle result right triangle selling sides signs SOLUTION Solve square root statement straight line Substitute subtracted THEOREM third tion twice units values varies volume Write

### Popular passages

Page 23 - The square root of a number is one of the two equal factors of the number.

Page 48 - The specific gravity of a substance is the ratio of the weight of the substance to the weight of the same volume of...

Page 225 - An exterior angle of a triangle is equal to the sum of the two opposite interior angles.

Page 202 - 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 154 - The first and last terms of a proportion are called the extremes ; the second and third terms are called the means. In the proportion | = ££, we see that 7 x 15 = 3 x 35.

Page 258 - In a right triangle the square of the hypotenuse equals the sum of the squares of the other two sides or legs.

Page 36 - Pythagorean theorem, which states that the square of the hypotenuse of a right triangle equals the sum of the squares of the other two sides.

Page 201 - Obtuse Acute Equiangular 64. Corresponding Angles and Sides. If two triangles have the angles of the one respectively equal to the angles of the other, the equal angles are called corresponding angles, and the sides opposite these angles are called corresponding sides. Corresponding parts are also called homologous parts. 65. Square. A rectilinear figure having four equal sides and four right angles is called a square. 66. Congruent. If two figures can be made to coincide in all their parts, they...

Page 228 - If a line is perpendicular to one of two parallel lines, it is perpendicular to the other also.

Page 234 - A Sphere is a body bounded by a uniformly curved surface, all the points of which are equally distant from a point within called the center.