Asilk worm wind ts cocoon out of one long slik fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into a single thread with a typical length of 300 yards. explain why you cannot write and equation to find the exact total length of the silk fibers used in a 300-yard silk thread

< 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⭐

what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation: