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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

The three angles are 3x, 4x and 5x The sum of the three angles of a triangle is always 180. So, 3x + 4x + 5x = 180 12x = 180 x = 15 So the three angles are 45, 60, and 75.