A School Geometry, Parts 1-4Macmillan and Company, 1908 |
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Results 1-5 of 18
Page 27
... feet from the base of a house , reaches to a window 35 feet above the ground . Draw a plan in which 1 " represents 10 ft .; and find by measurement the length of the ladder . Plot my 6. I go due North 99 metres , then due East 20 metres ...
... feet from the base of a house , reaches to a window 35 feet above the ground . Draw a plan in which 1 " represents 10 ft .; and find by measurement the length of the ladder . Plot my 6. I go due North 99 metres , then due East 20 metres ...
Page 55
... feet apart . The angles BCA and BDA are 65 ° and 40 ° respectively . Represent this on a diagram ( scale 1 cm . to 10 ft . ) , and find by measurement the approximate height of the flagstaff . 13 . From P , the top of a lighthouse PQ ...
... feet apart . The angles BCA and BDA are 65 ° and 40 ° respectively . Represent this on a diagram ( scale 1 cm . to 10 ft . ) , and find by measurement the approximate height of the flagstaff . 13 . From P , the top of a lighthouse PQ ...
Page 67
... feet , then 2.47 inches on the scale will represent 24-7 feet . And if one inch - division on the scale represents 100 links , then 2.47 inches will represent 247 links . Thus a diagonal scale is of service in preparing plans of ...
... feet , then 2.47 inches on the scale will represent 24-7 feet . And if one inch - division on the scale represents 100 links , then 2.47 inches will represent 247 links . Thus a diagonal scale is of service in preparing plans of ...
Page 68
... . Compare the scales of these maps in miles to the inch . 13. Draw a diagonal scale , 2 centimetres to represent 1 yard , shewing yards , feet , and inches . PRACTICAL GEOMETRY . PROBLEMS . The following problems are to 68 GEOMETRY .
... . Compare the scales of these maps in miles to the inch . 13. Draw a diagonal scale , 2 centimetres to represent 1 yard , shewing yards , feet , and inches . PRACTICAL GEOMETRY . PROBLEMS . The following problems are to 68 GEOMETRY .
Page 100
... feet , and whose breadth AD is 4 feet . Divide AB into 5 equal parts , and BC into 4 equal parts , and through the points of division of each line draw parallels to the other . The rectangle ABCD is now divided into compartments , each ...
... feet , and whose breadth AD is 4 feet . Divide AB into 5 equal parts , and BC into 4 equal parts , and through the points of division of each line draw parallels to the other . The rectangle ABCD is now divided into compartments , each ...
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Common terms and phrases
AB² adjacent angles altitude angle equal base BC bisector bisects circle of radius circle whose centre circles which touch circum-circle circumference circumscribed coincide common tangents concyclic Construct a triangle diagonals diagram diameter distance divided draw a circle equal in area equidistant escribed circles Euclid exterior angles Find the area find the locus given angle given circle given point given straight line given triangle greater Hence hypotenuse inches inscribed isosceles triangle length Let ABC meet metres middle point millimetre nine-points circle opposite sides orthocentre par¹ parallelogram pedal triangle perp PROBLEM produced Proof radii rect rectangle rectangle contained rectilineal figure required to prove respectively rhombus right angles right-angled triangle segment shew shewn straight line drawn tangent Theor Theorem trapezium triangle ABC triangles are equal vertex vertical angle
Popular passages
Page xi - IF two triangles have two angles of one equal to two angles of the other, each to each ; and one side equal to one side, viz. either the sides adjacent to the equal...
Page 44 - 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 190 - Upon a given straight line to describe a segment of a circle, which shall contain an angle equal to a given rectilineal angle.
Page 12 - If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
Page 5 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Page 122 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Page 28 - If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles.
Page x - 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 65 - The sum of the perpendiculars from any point within an equilateral triangle to the three sides is equal to the altitude of the triangle (Fig.