Determine the spherical excess of the spherical triangle ABC given a = 56°, b = 65°, and c = 78°.
A). 33°33
B). 38°93
C). 68°37
D). 90°57
Solve for angle C of the oblique spherical triangle ABC given, a = 80°, c = 115° and A = 72°
A). 61°
B). 85°
C). 95°
D). 119°
Solve the angle A in the spherical triangle ABC given a = 106°25’, c = 42°16’ and B = 114°53’
A). 45°54
B). 72°43
C). 80°42
D). 97°09
Determine the value of the angle of an isosceles spherical triangle ABC whose given parts are b = c = 54°28’ and a = 92°30’.
A). 41°45
B). 55°45
C). 84°25
D). 89°45
Given a right spherical triangle whose parts are a = 82°, b = 62°, and C = 90°. What is the value of the side opposite the right angle?
A). 83°30
B). 84°45
C). 85°15
D). 86°15