Mia evaluated the expression below but got an incorrect answer find mia error find the correct value of the expression and explain how mia could have avoided her error

Next time put a picture for us to know what the expression was and her error

Step-by-step explanation:

she confused the hieght & diameter

Step-by-step explanation:

< 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⭐

18.75 gallons

step-by-step explanation: