If line p is perpendicular to line m what is the relationship between line p and line l

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  p is perpendicular to l

Step-by-step explanation:

The congruent corresponding angles at the unmarked transversal mean that lines l and m are parallel. Just as corresponding angles at that unmarked transversal are congruent, so the corresponding angles at transversal p are congruent.

All of the angles of intersection of lines l and m with p are right angles. l and p are perpendicular lines.

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

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