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1) Southwest part of 2nd & 4th street = 130 [ vertically opposite of Corresponding so will be equal.

2) Southeast part of 2nd & 4th street = 190 - 130 = 50 [ supplementary with previous one ]

3) Northwest part of 2nd & 4th street = 50 [ Vertically opposite of 2nd one ]

4) Northeast part of 2nd & 4th street = 130 [ Corresponding angles ]

[ Final Answers are in bold ]

Hope this helps!

Divide 40%5 and your answer is 8