Junior High School Mathematics, Book 3 |
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Common terms and phrases
AABC ab² ABCD acute angle adjacent angles algebra angles are equal axiom base binomials bisect bisector called check the result circle construct Derive a formula diagonal 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 quotient radius draw rectangle reflex angle 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 209 - The line which joins the mid-points of two sides of a triangle is parallel to the third side, and is equal to half the third side.
Page 108 - 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 69 - To multiply a fraction by a fraction. Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 271 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 152 - 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 271 - Length 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5§...
Page 160 - 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 108 - 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 203 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
Page 170 - 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.