The angles of a triangle are x, 2x+10, and 3x-40. Determine whether the triangle Is acute, right, or obtuse.

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A Acute-angled triangle
B Right-angled triangle
C Obtuse-angled triangle
D None of the above

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The angles of a triangle are x, 2x+10, and 3x-40. Determine whether the triangle Is acute, right, or obtuse.

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