The following recipe serves 6 people tell how much of each ingredient you need to serve nine people then tell how much of each ingredient you need to serve only 3 people
3 1/2 c flour. 6 2/3 t butter 2 eggs 1 1/3 c cocoa

< 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⭐

don't give

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