C
Step-by-step explanation:
You can just put it in your calculator
+25 = x
step-by-step explanation:
here x is the hypotenuse of a right triangle whose legs are 7 and 24. by the pythagorean theorem, 7² + 24² must equal x²:
x² = 49 + 576 = 625. thus, x = +√625 = +25 = x
< 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⭐