16 



ACCOUNT OF TRIGONOMETRICAL 

 TRIANGLES— CONTINUED. 



Bonnairgottah Jrom Tirtapidly //27M 38492.9 



No. 



54 



TRIANGLES. 



Bonnairgottah 



Tirtapully Hill 



Muntapum Centre 



Obsd. Angles. 



51" 5'56".91 

 31 25 8.96 

 97 28 55.27 



180 00 01 .14 



— 0".4 

 —0.4 

 —1.1 



(Z3 



1.9 



Anglps for 

 ("al dilation. 



51° 5' S&'.o 

 31 25 9 



97 28 54.5 



0.76 1 180 00 00 



Muntapum Centre from 



r Bonnairgottah 72815.6 



Tirtapully Hill 



Muntapum Centre Jrom Botmairgottah 72815.6 



55 



Muntapum Centre 



Bonnairgottah 



Savendroog Station 



69 50 46.5 



70 52 23 .91 

 39 16 50 .85 



180 00 01 .29 



-0.6 

 -0.6 

 -0.5 



1.7 



-0 .41 



69 50 46 



70 52 23 .5 

 39 16 50.5 



180 00 00 



Savendroog 



from < 



INIunpatum Centre 

 Bonnairgottah 



With the sides Mu)i tap um centre f\om Tirtapiilli/ hill 108705.1 

 feet, and Muntapum centre from Savendroog = 108661.6 feet, ar.d 

 the included angle at Muntapum = 167° 19'2C)".3 the side Savm- 

 clroog from TirtapuUi/ hill is found = 216038.9 feet. 



Again witli the sides Bonnairgottah from Tlrtapiillif hill 138492.9 

 feet, -^nd Bonnairgottah from Savendroog = 107968.7 feet, and the 

 inchided angle at Bonnairgottah '== 12 K 58' 19" the side Savendroog 

 from Tirtapullij hill is found = 216038.8 feet diifering from the 

 above -jV of a foot, and of which the mean is 216038.85 feet. 



