84 Problems of

having As and fC } the rest are sound*as per Cafe 3.

CASE V,

The Amplitude Am ( Fig. 13.) =5180, and Elevation CAt equal 69°.21 ■ given, to find the Impetus fHeight C F, and Sublimity V K.

S, 2 1 CAt : R:: Am : A M— gr.Ran.= 8000, and *gr. Ran. -^/= 4000the Impetus; (Cor. 6 8 c 7. Theo. 10.)then, iCAt-yo 0 = CAf per Fig.and R ; CAf :: /:/£= 3005; also

(/»». } .)ƱI£=CF=$ jcu.j

the Height, and As— CV = FK^497-5 the Sublimity os the Projection.

CASE VI.

The Amplitude ^--r 13, j ---

5280, and Height 3502.5 gh*

ven,