If the smaller cylinder has a lateral area of approximately 113 square meters, what is the approximate lateral area of the larger cylinder?
Answer 48.4 square meters
263.7 square meters
615.2 square meters
1,435.5 square meters

Question

If the smaller cylinder has a lateral area of approximately 113 square meters, what is the approximate lateral area of the larger cylinder?
Answer    48.4 square meters 
   263.7 square meters 
   615.2 square meters 
   1,435.5 square meters

anonymous · Answer

attachment

anonymous · Answer

My scale factor is 3:7 or squared 9:49

saifoo.khan · Answer

$$\frac{A_1}{A_2} = \frac{(L_1)^2}{(L_2)^2}$$this is the formula i guess

anonymous · Answer

I suppose..

saifoo.khan · Answer

i forgot the formula. but give it a try. this must be it

callisto · Answer

(9/21) ^2 = 113/x
(3/7) ^2 = 113/x
9/49 = 113/x
x= 615.2

callisto · Answer

@saifoo.khan the formula is correct

saifoo.khan · Answer

Hats off to my memory! ;)
did this 13 months ago. :D

anonymous · Answer

Thanks guys!

callisto · Answer

welcome :)