Elementary Geometrical Drawing: Practical plane geometry, the construction and use of scales, the sector, the protractor, and the Marquois scales. 13th ed. 18271887 |
Common terms and phrases
bisect the angle centre circle cutting circle touching circumference Construct a scale Construct a square Construct a triangle contain an angle decagon describe a circle describe the circle diagonal scale diameter Divide a line Draw a line Draw a scale Draw a straight ellipse equal area equal circles equilateral triangle feet furlongs geometrical given angle given circle given line given point given ratio heptagon inches long inches radius inscribe a square isosceles triangle join length Let A B C Fig lines drawn mean proportional Measure and write mètres parallelogram perpendicular to M N plain scale polygon Prob PROBLEM protractor radii rectangle regular pentagon regular polygon representative fraction required Euc rhombus right angles scale of yards scale properly semicircle straight line A B tangent toises transverse distance trapezium triangle A B C triangle of equal vernier scale versts vertical angle
Popular passages
Page 177 - AB be the given straight line ; it is required to divide it into two parts, so that the rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.