A Text-book of Geometry |
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Page 95
... inches , and the variable be denoted by x , and the difference between the variable and its limit , by v : after one second , X = v = 1 ; after two seconds , X = = 1 + 1/1 , v after three seconds , X 1 + 1/2 + 1/1 , v after four seconds ...
... inches , and the variable be denoted by x , and the difference between the variable and its limit , by v : after one second , X = v = 1 ; after two seconds , X = = 1 + 1/1 , v after three seconds , X 1 + 1/2 + 1/1 , v after four seconds ...
Page 192
... inches long and 4 inches wide required to pave a path 8 feet wide surrounding a rectangular c feet long and 36 feet wide ? Ex . 298. The bases of a trapezoid are 16 feet and 10 feet ; 382. To construct a square equivalent to the differ ...
... inches long and 4 inches wide required to pave a path 8 feet wide surrounding a rectangular c feet long and 36 feet wide ? Ex . 298. The bases of a trapezoid are 16 feet and 10 feet ; 382. To construct a square equivalent to the differ ...
Page 193
... inches and 4 inches . Ex . 300. Construct a square equivalent to the difference of two squares whose sides are 24 inches and 2 inches . Ex . 301. Find the side of a square equivalent to the sum of two squares whose sides are 24 feet and ...
... inches and 4 inches . Ex . 300. Construct a square equivalent to the difference of two squares whose sides are 24 inches and 2 inches . Ex . 301. Find the side of a square equivalent to the sum of two squares whose sides are 24 feet and ...
Page 238
... inch long , if the radius of the circle is 8 feet 2 inches . 414. Find the angle subtended at the centre of a circle by an a whose length is equal to the radius of the circle . 415. What is the length of the arc subtended by one side of ...
... inch long , if the radius of the circle is 8 feet 2 inches . 414. Find the angle subtended at the centre of a circle by an a whose length is equal to the radius of the circle . 415. What is the length of the arc subtended by one side of ...
Page 239
... inches , and the height of the arc is 9 inches . Find the diameter of the circle . 424. Find the area of a sector , if the radius of the circle is 28 feet , and the angle at the centre 221o . 425. The radius of a circle = r . Find the ...
... inches , and the height of the arc is 9 inches . Find the diameter of the circle . 424. Find the area of a sector , if the radius of the circle is 28 feet , and the angle at the centre 221o . 425. The radius of a circle = r . Find the ...
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Common terms and phrases
ABē ABCD ACē acute angle adjacent angles altitude angle formed angles are equal base bisector bisects called centre chord circumference circumscribed coincide construct a square decagon diagonals diameter Draw equal respectively equiangular equiangular polygon equidistant equilateral polygon equilateral triangle exterior angle feet figure Find the area given circle given line given point given straight line given triangle greater Hence homologous sides hypotenuse inches intersecting isosceles triangle legs length line drawn line joining measured by arc middle points number of sides obtuse opposite sides parallel parallelogram perimeter perpendicular PROPOSITION prove Proof quadrilateral radii ratio rectangle regular inscribed regular polygon rhombus right angle right triangle SCHOLIUM secant segments similar polygons square equivalent straight angle subtended tangent THEOREM third side trapezoid triangle ABC triangle is equal vertex vertices
Popular passages
Page 46 - If two triangles have two sides of one equal, respectively, to two sides of the other, but the included angle of the first greater than the included angle of the second, the third side of the first is greater than the third side of the second...
Page 69 - The exterior angles of a polygon, made by producing each of its sides in succession, are together equal to four right angles.
Page 187 - Two triangles having 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.
Page 64 - The straight line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of it 46 INTERCEPTS BY PARALLEL LINES.
Page 201 - To construct a parallelogram equivalent to a given square, and having the sum of its base and altitude equal to a given line.
Page 215 - The perimeters of two regular polygons of the same number of sides, are to each other as their homologous sides, and their areas are to each other as the squares of those sides (Prop.
Page 161 - In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides diminished by twice the product of one of those sides and the projection of the other upon that side.
Page 135 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.
Page 156 - If in a right triangle a perpendicular is drawn from the vertex of the right angle to the hypotenuse : I.
Page 15 - LET it be granted that a straight line may be drawn from any one point to any other point. 2. That a terminated straight line may be produced to any length in a straight line. 3.