Christina elizabeth ashley and michelle each chose a different pattern block as their favorite elizabeths favorite is yellow ashleys favorite is square christinas favorite is smallest circle michelles favorite pattern block

< 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⭐

step-by-step explanation:

idk the answer i want to say 10 but then it would be equal so try 9 but then yeah so yeah we love edgen

other answer is correct. i had used the radius of the radius somehow. a website:

160 cm

step-by-step explanation:

you have to add all the sides together