A cell phone case is 6 in long and wide 4 in the volume of the cell phone case is 8 in how thick is the phone case simplest form plz help asap 15in
13in

3 in

5 in

< 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⭐

2500

step-by-step explanation:

it would open into a square depending on the type of envelope i’m not sure about the second part