On the Circle, the Sphere, the Squate, and Triangle. 103 
The side of an A= 1. ; 
RPGR AB: inscribed | _ -46530,24295,51049,79947 
The side of an A = 1. 
The side of a O of 
equal area... 
= *65803,70064,76246,23041 
Theside of an A given to find its |_ 9, sae : 
area x the ( of the side by 0 43301,27018,92219,32338 
The lines circumscribing a 0, and ©, of the same area, are 
in proportion to each other as 3:54490,77018,11032,05460, to 
3°14159, &c. Or, as 1. to °88622,69254,52758,01365. 
The lines cireumscribing a 0, and A, of the same area, are 
as 1. to 1°51967,13713,03185,09466. 
The lines circumscribing an A, and ©, of the same area, are 
as 1. to :77756,01507,781066. 
The area of a hexagon to that of its circumscribing circle is 
as 1. to 1-20919,9576156. Or, as °82699,33431,32688 to 1}. 
Lynn Regis, Noy. 15, 1821. JAMEs Utrtinc. 
Errata. —In the Table of the ©’s R.A. in degrees, &c. 
vol. lvii. page 29: 
Argument. R.A. Diff. 
8s. é i i 
1 320 for Si 6 11-53 es t read 31 6 11-73 § 27792 
Argument. Diff 
134 2b 597°76 596-76 
Of: i 
: * sot for 3 oF 98 ' read ; 596-98 
R.A. 
NU ede Alb Bias Edi Al 
116 50 for 4421 44:98 read 44 21 41-98 
In the Table of the ©’s R.A. in time, page 184: 
Diff. 
s. 2 / “ ul 
Ape 10% for 3600 read 37-00 
In the Reduction of the Ecliptic to the Equator, page 435: 
_ Argument. Reduction. 
Be isos ast pay aot db 
2 380 for 2 1 31:97 read 2 1 31:96 
The signs, &c. at the bottom of pages 435 and 436 are wrong 
inserted, they ought to be the same as at the bottom of pages 
457 and 438, 
In the Table of the Var. of the ©’s R.A. and Decl., page 440: 
Argument. Var. R.A. 
Be oo J “ ut 
-0 7 50 ¢ 5:49 ? 5°39 
or < Var. Declin. > read 
1 10 50 13 
6113S - 
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