Which of these is irrational: 22/7, √36, ³√63, 3.67

Round each number to:
273.1 (nearest 10)
96.482 (nearest whole number)
96.483 (nearest 100th)
78.4695 (nearest ⅒)
782 (nearest 2 s. f.)
9.999 (3 s. f.)
0.00186 (1 s. f.)

< 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⭐

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !