Ok this is hard i know but plz edit my attachment or printtt it out and meee plzzz

1.)  W(2,4)  X(4,4)  Y(4,1)  Z(2,1)

2.)  Q(1,1)   R(1,-4)   S(-2,-4)

3.)  A(2,2)  B(4,1)  C(4,3)  D(2,4)

4.)  F(-2,-2)  G(4,-4)  H(2,6)

Hope this helps!!

< 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

⭐dhruv⭐

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