Find the exterior angles of the triangle formed by the lines 5x – y + 3 = 0, y = 2, x – 4y + 3 = 0.

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- Jun 11th 2012, 12:05 AMmackymeplease help me
Find the exterior angles of the triangle formed by the lines 5x – y + 3 = 0, y = 2, x – 4y + 3 = 0.

- Jun 11th 2012, 12:15 AMProve ItRe: please help me