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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- June 10th 2012, 11:05 PMmackymeplease help me
Find the exterior angles of the triangle formed by the lines 5x – y + 3 = 0, y = 2, x – 4y + 3 = 0.

- June 10th 2012, 11:15 PMProve ItRe: please help me