Solve for side b of a right spherical triangle ABC whose parts are a = 46°, c = 75° and C = 90°.
A). 48°
B). 68°
C). 74°
D). 78°
Solve the remaining side of the spherical triangle whose given parts are A = B = 80° and a = b = 89°.
A). 158°12
B). 162°21
C). 168°31
D). 172°12
A spherical triangle ABC has an angle C = 90° and sides a = 50° and c = 80°. Find the value of b in degrees.
A). 73.22
B). 74.33
C). 75.44
D). 76.55
One degree on the equator of the earth is equivalent to _____ in time.
A). 1 hour
B). 30 minutes
C). 4 minutes
D). 1 minutes
If the longitude of Tokyo is 139°E and that of Manila is 121°E, what is the time difference between Tokyo and Manila?
A). 1 hour and 5 minutes
B). 1 hour and 8 minutes
C). 1 hour and 10 minutes
D). 1 hour and 12 minutes