Evaluate the expression x^2•x^1 for x =9

729

Step-by-step explanation:

x² x¹ = x³

For x=9, we have 9³=81×9=729

< 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⭐

idk

step-by-step explanation: i just don't