# Solution: Find the area of a spherical triangle on the surface of the earth whose angles are 50°, 89° and 120°

Considering the earth as a sphere of radius 6400 km. Find the area of a spherical triangle on the surface of the earth whose angles are 50°, 89° and 120°.

#### Problem Statement:

Considering the earth as a sphere of radius 6400 km. Find the area of a spherical triangle on the surface of the earth whose angles are 50°, 89° and 120°.

The area of a spherical triangle on the surface of the earth is 56,476,062.07 km2

Solution: