Elements of Geometry and Trigonometry: With Practical Applications |
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Page 253
... yard , & c . Some superficial units , however , have no corresponding linear unit ; as the rood , acre , & c . 610. TABLE OF LINEAR MEASURES . 66 1 Mile . 12 Inches make 1 Foot . 3 Feet 66 1 Yard . 51 Yards 66 1 Rod or Pole . 40 Rods 66 ...
... yard , & c . Some superficial units , however , have no corresponding linear unit ; as the rood , acre , & c . 610. TABLE OF LINEAR MEASURES . 66 1 Mile . 12 Inches make 1 Foot . 3 Feet 66 1 Yard . 51 Yards 66 1 Rod or Pole . 40 Rods 66 ...
Page 254
... Yard . 30 Square Yards 66 1 Square Rod or Pole . 40 Square Rods 66 1 Rood . 4 Roods 66 1 Acre . 640 Acres 66 1 Square Mile . Also , 625 Square Links 66 1 Square Rod . 16 Square Rods 66 1 Square Chain . 10 Square Chains 66 1 Acre . 612 ...
... Yard . 30 Square Yards 66 1 Square Rod or Pole . 40 Square Rods 66 1 Rood . 4 Roods 66 1 Acre . 640 Acres 66 1 Square Mile . Also , 625 Square Links 66 1 Square Rod . 16 Square Rods 66 1 Square Chain . 10 Square Chains 66 1 Acre . 612 ...
Page 257
... yards ; required the length of each of these sides ? Ans . 18 rods . PROBLEM V. 617. The diagonal of a SQUARE being given , to find the area . Divide the square of the diagonal by 2 , and the quotient will be the area . ( Prop . XI ...
... yards ; required the length of each of these sides ? Ans . 18 rods . PROBLEM V. 617. The diagonal of a SQUARE being given , to find the area . Divide the square of the diagonal by 2 , and the quotient will be the area . ( Prop . XI ...
Page 259
... yards ; required the area in acres . Ans . 3 A. 2 R. 10 P. 294 yd . 3. Required the number of square feet in a triangular board whose base is 27 inches and altitude 27 feet . 4. What is the area of a triangle whose base is 15.75 chains ...
... yards ; required the area in acres . Ans . 3 A. 2 R. 10 P. 294 yd . 3. Required the number of square feet in a triangular board whose base is 27 inches and altitude 27 feet . 4. What is the area of a triangle whose base is 15.75 chains ...
Page 261
... yards . 5. What is the area of a garden in the form of a paral- lelogram , whose sides are 432 and 263 feet , and a diagonal 342 feet ? Ans . 2 A. 10 P. 11.46 yd . 6. Required the area of an isosceles triangle , whose base is 25 and ...
... yards . 5. What is the area of a garden in the form of a paral- lelogram , whose sides are 432 and 263 feet , and a diagonal 342 feet ? Ans . 2 A. 10 P. 11.46 yd . 6. Required the area of an isosceles triangle , whose base is 25 and ...
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Common terms and phrases
A B C ABCD adjacent angles altitude angle equal base bisect centre chord circle circumference circumscribed cone convex surface cosec cosine Cotang cylinder diagonal diameter distance divided drawn equal Prop equilateral triangle equivalent exterior angle feet formed frustum gles greater half the sum hence homologous hypothenuse inches included angle inscribed less Let ABC line A B logarithm logarithmic sine mean proportional measured by half multiplied number of sides parallel parallelogram parallelopipedon pendicular perimeter perpendicular polyedron prism PROBLEM PROPOSITION pyramid quadrantal radii radius ratio rectangle regular polygon right angles right-angled triangle rods Scholium secant segment side A B similar sine slant height solidity solve the triangle sphere spherical polygon spherical triangle Tang tangent THEOREM triangle ABC triangle equal trigonometric functions vertex
Popular passages
Page 35 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 57 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Page 117 - Through a given point to draw a straight line parallel to a given straight line, Let A be the given point, and BC the given straight line : it is required to draw through the point A a straight line parallel to BC.
Page 50 - If any number of magnitudes are proportional, any antecedent is to its consequent as the sum of all the antecedents is to the sum of all the consequents. Let A : B : : C : D : : E : F; then will A : B : : A + C + E : B + D + F.
Page 77 - Two rectangles having equal altitudes are to each other as their bases.
Page 158 - If a straight line is perpendicular to each of two straight lines at their point of intersection, it is perpendicular to the plane of those lines.
Page 313 - FRACTION is a negative number, and is one more tftan the number of ciphers between the decimal point and the first significant figure.
Page 314 - The logarithm of any POWER of a number is equal to the product of the logarithm of the number by the exponent of the power. For let m be any number, and take the equation (Art.
Page 100 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. A D A' Hyp. In triangles ABC and A'B'C', To prove AABC A A'B'C' A'B' x A'C ' Proof. Draw the altitudes BD and B'D'.
Page 244 - RULE. — Multiply the base by the altitude, and the product will be the area.