Lisa and Audrey were selling pizzas to raise money for new cheerleading uniforms. Lisa sold 7 pizzas for every 2 pizzas Audrey sold. Together they sold 288 pizzas. How many
pizzas did Lisa sell and how many pizzas did Audrey sell?

< 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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