Junior High School Mathematics, Book 3Ginn, 1918 - Mathematics |
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Common terms and phrases
AABC ab² ABCD acute angle adjacent angles algebra angles are equal axiom base bisect bisector called circle Complementary Angles construct cube Derive a formula diagonal distance divide drawn equal angles equal respectively equilateral triangle example Exercise expression exterior angle factors figure Find the area Find the number find the value fraction geometry given line given point graph Hence hypotenuse infer intersection isosceles triangle locus mid-point minus monomial multiply negative number number of degrees opposite sides parallel lines parallelogram parentheses perpendicular polygon polynomial proof proposition prove quadratic equation quadrilateral radius draw rectangle reflex angle regular polygon right angles right triangle shown Solve square root statement straight angle straight line student subtract supplementary angles Suppose tangent theorem trapezoid triangle ABC triangles are congruent vertex write
Popular passages
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 279 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
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 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 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.
Page 211 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
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 279 - Length 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5§ yards, or 16| feet -1 rod (rd.) 320 rods, or 5280 feet =1 mile (mi.) Square Measure 144 square inches (sq.