Elements of Geometry |
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Page 234
... feet , and that of the other 256 feet ? Ans . Ratio 1 : 16. dif . of areas , 193019,9040 square feet . Q. C. What is the area of the ring enclosed between the circumferences of two concentric circles whose diameters are 10 feet and 6 feet ...
... feet , and that of the other 256 feet ? Ans . Ratio 1 : 16. dif . of areas , 193019,9040 square feet . Q. C. What is the area of the ring enclosed between the circumferences of two concentric circles whose diameters are 10 feet and 6 feet ...
Page 235
... feet ? ( 516. ) Ans . 636,62 solid feet . Q. CX . What is the convex surface of a right triangular prism whose altitude is 20 feet , and each side of the base 18 inches ? ( 520. ) Ans . 90 square feet . Q. CXI . What is the surface of a ...
... feet ? ( 516. ) Ans . 636,62 solid feet . Q. CX . What is the convex surface of a right triangular prism whose altitude is 20 feet , and each side of the base 18 inches ? ( 520. ) Ans . 90 square feet . Q. CXI . What is the surface of a ...
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Common terms and phrases
ABC fig adjacent angles altitude angle ACB angle BAC base ABCD bisect centre chord circ circular sector circumference circumscribed common cone consequently construction convex surface Corollary cube cylinder Demonstration diagonals diameter draw drawn equal angles equiangular equilateral equivalent faces figure formed four right angles frustum GEOM given point gles greater hence homologous sides hypothenuse inclination intersection isosceles triangle JOHN CRERAR LIBRARY join less Let ABC let fall line AC mean proportional measure the half meet multiplied number of sides oblique lines opposite parallelogram parallelopiped perimeter perpendicular plane MN polyedron prism produced proposition radii radius ratio rectangle regular polygon right angles Scholium sector segment semicircle semicircumference side BC similar solid angle sphere spherical polygons spherical triangle square described straight line tangent THEOREM three angles triangle ABC triangular prism triangular pyramids vertex vertices whence