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so you just have to multiply the volume by the scale left hand side and right hand side

sorry
divide by left side, multiply by right side... thats how scales work

so for the rectangle, the new scale factor would be 9:27...

i need the surface area and volume

is that whats on the side? S and V?

yea

so i would do (3/1)*398

no, you would do (398/1)*3

i chose bad numbers, which were easy to mix up sorry

so the surface area would =1194in^2

yes

would it be the same for volume?

1485in^3

(144*pi/3)*2=301.44cm^2

thats not the same way.

oh wait, is that blurry thing pi? if so then yeah thats right

it says 144 pi cm^2 for the surface doesn't it?

yea it is

ok cool, you got it congrats :)

(288*pi/3)*2=602.88cm^3

oh no
its ((144*pi)/2)*3 sorry... so close, but it was just a small error

Surface are= 678.24cm^2

yep, final answer :)

volume=1356.48cm^3

yes. what are you in like grade 8? doing better than i was then...

no

lower grade?

im actually a senior

i'd count grade 8 as senior :( scales took me ages was my point anwyay

oh okay

and you got the powers right which was pretty cool :P

thank you for ur help

no problem