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ok

???

311?

im posting the question sorry

here we are

Do you have the formula for the surface area of a cylinder?

2pirsq plus 2pirh

a.

oh so i included the bottom???

Yeah. Don't.

k so this is what i did
2 x pi x 3^2 + 2 x pi x 3 x 30 and divide by 2

hi

Remove 3*pi*r^2 and the rest is good.

y

a. is right sure

Because the roof does not have a base and top (according to the problem description).

so just the lateral

yes.

thx brozz

HI GUYS

just practising for grade 9 EQAO

what is EQAO?

evil questions attacking ontario lol im kidding its like an exam for grade 9 students

lol! :-D - good luck with them...

thx

is half perimeter of base multiply lenght=surface area

this very easy

like we ALL were

yes right but this is the same like a rectangle curved on the base