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Page 140

Produce the sides of the octagon , b as in the fig . and abcd will be the

Produce the sides of the octagon , b as in the fig . and abcd will be the

**square**required ; for , since the area of the triangle a AH = 10 chains , we have ...Page 143

Let a plane of one foot

Let a plane of one foot

**square**be immersed perpendicularly in salt water , till its upper edge is on a level with the surface of the water ; now if this ...Page 205

Let x , y , and z be three numbers in arithmetical progression ; then , by the qu . y - x = a

Let x , y , and z be three numbers in arithmetical progression ; then , by the qu . y - x = a

**square**, and 2 - - y x + % = a**square**; but x + % = 2y ...### What people are saying - Write a review

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