Question

ans first one plz plz plz plz plz plz

Answer 1

I HOPE IT HELPS YOU!!

Answer 2

Ello There!

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Answer

∠a = 52°

∠b = 128°

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Step by Step Explanation

l ║ m and n is the transversal

∠b + 52° = 180° (co-interior angles)

∠b = 180° - 52°

∠b = 128°

Vertically opposite angles are equal, therefore

∠a = 52°  

(Vertically Opp. Angles)

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Peace!