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A B C added adjacent algebraic altitude balance base bisector called cent circle common congruent Construct corresponding denominator denote difference dimensions direction distance divided Draw equal equation equilateral EXERCISE expression factor feet figure Find Find the numbers Find the values force four fractions Give given graph hour indicated interior angles laws length means measure method miles multiplying obtained opposite pair parallel parallelogram perimeter perpendicular polygon polynomial positive pounds problem proportion Prove quadratic radius ratio rectangle Reduce represent respectively right angles right triangle rule Show shown sides similar solution Solve Solve the following square square root straight line substituting subtracted symbols theorem third train triangle turn turning-tendency units unknown values vertex vertical weight Write written
Σελίδα 132 - If the product of two numbers -is equal to the product of two other numbers, either pair may be made the means, and the other pair the extremes, of a proportion.
Σελίδα 111 - A line parallel to one side of a triangle divides the other two sides proportionally.
Σελίδα 176 - To divide a polynomial by a monomial, divide each term of the polynomial by the monomial: (Sab — 12ac) -i- 4a = 36 — 3c.
Σελίδα 139 - AC, prove that the sum of the interior angles of a triangle is two right angles.
Σελίδα 198 - If two sides and the included angle of one triangle be equal to two sides and the included angle of another triangle, the triangles are equal in all respects.
Σελίδα 338 - Conversely, if two angles of a triangle are equal, the sides opposite them are also equal, and the triangle is isosceles.
Σελίδα 256 - Dividing the numerator and denominator of a fraction by the same number does not alter the value of the fraction.
Σελίδα 342 - A straight line falling on parallel straight lines makes the alternate angles equal to one another, the exterior angle equal to the interior and opposite angle, and the interior angles on the same side equal to two right angles...