The tabletop below is made from right triangles, each the same size. your company charges $.20 per square inch for sanding the tabletop.

< 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⭐

answer:

your answer is: c. 196 7/8 in^3.

hreryryrranswer:

step-by-step explanation: