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Triangle angle calculation problem with given angles and a missing angle to solve.

A geometric diagram showing two triangles with angles labeled, including 40°, 80°, 60°, 120°, and 25°, with a calculation at the bottom: 120° - 25° = 95°.

A geometric diagram showing two triangles with angles labeled, including 40°, 80°, 60°, 120°, and 25°, with a calculation at the bottom: 120° - 25° = 95°.

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