14 9/16- 8 1/4 rounded to the nearest whole number

14 9/16 - 8 1/4 = 14 9/16 - 8 4/16 =  233/16 - 132/16 = 101/16 = 6 5/16 ~~ 6

14 9/16 - 8 1/4 = 6

< 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⭐

6.5

step-by-step explanation:

you said it was in the question

~courtney