Find the lateral surface area of the figure. Use 3.14 for pi.
S= 2pi rh
13 m
20 m

I haven't answered a question like this in a while but I'll just give it a shot:

I think it's 816.4

Step-by-step explanation:

h=13

20/2=10 so I believe that 10 would be the r (radius)

So then the equation could be:

S= 2(3.14)10×13

Multiply them all together and you get 816.4^^

< 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⭐

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.