An Introductory Treatise on Mensuration, etc

12 feet 32 inches 40 inches 9 inches Acres altitude angle axes base breadth bung diameter called cask centre chord circle circular segment circumference computed conic conic sections content in imperial cosine cotangent cube cubic inches curve cylinder decimals diagonal diagram divided ellipse equal equidistant Euclid EXAMPLES expression feet 6 inches feet 9 figure find the area find the solid fixed axis follows foot found by multiplying frustum geometry half head diameter Hence hyperbola hyperboloid hypotenuse imperial gallons learner logarithm measures middle section middle zone multiply the sum opposite ordinates parabola paraboloid parallelogram parallelopiped perpendicular perpendicular height plane prism prismoid PROBLEM pyramid quotient radius rectangle regular polygon Required the area Required the solid rhombus right-angled triangle rule secant sine slant height solid content specific gravity sphere spheroid square root square yard straight line subtract tangent thickness trapezium trapezoid vertex