If E is the spherical excess and R the radius of the earth, the surfac – McqOptions

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1.	If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is
A.	R²E/90°
B.	R²E/180°
C.	R²E/270°
D.	R²E/360°
Answer» C. R²E/270°

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