Sean answered 18 of 20 quiz questions correctly. What percent of the quiz questions did sean awnser correctly? A. 11%
B. 18%
C. 90%
D. 98%​

90%

Step-by-step explanation:

18/20 × 100 = 90%

I hope this helps!

Sean answered 90% of the questions in the quiz correctly

oh whoopsie somebody answered already but oh well- 乁[ᓀ˵▾˵ᓂ]ㄏ

< 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⭐