Cyclomathesis : or, An easy introduction to the several branches of the mathematics; being principally designed for the instruction of young students, before they enter upon the more abtruse and difficult parts thereof (1763)
Emerson, William, 1701-1782, Adams, Charles Francis, 1807-1886, former owner. BRL, Adams, John Quincy, 1767-1848, former owner. BRL, Boston Public Library) John Adams Library BRL · London : Printed for J. Nourse ... · leaf 546
AXIMA W B. It Fig. the area of the poligon AECDE infcribed in afemicircle. PROB, CCXXVIII. 1^2.^0 find a line, which with three given lines, will con*tain the greatefi area poffible* It is plain the line fought is the diameter of thefemicircle in which the three given lines are in-fcribed. Let… … Pl.Xff./*/.,-^ Sea. xiv. minima;, 5i3 (fig* P R O B. CCXXIX. SP is perpendicular to PM, and there is given SP, 153.SN •, and drazving NL, fo that the angle LDMmay be equal to SCP 5 to find CD, a maximum* Draw NA perpendicular to CD, then CA = AD,and CA is a maximum. Put SNz^, SP zz d,SCzzy, then…
Mathematics
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