Question

Two similar cylinders have a scale factor of 1.6/3. Find their volumes

Answer 1

\(\cfrac{1.6}{3}?\)

Answer 2

A) 512/3375
B) 64/225
C) 81/121
D) 64/81

Answer 3

its not a decimal

Answer 4

\(\bf \begin{array}{llll}
&area&volume
\\\hline\\
\textit{scale factor}=\cfrac{side1}{side2}=&\cfrac{(side1)^2}{(side2)^2}=&\cfrac{(side1)^3}{(side2)^3}
\end{array}\)

what do you think?

Answer 5

i dont know the sides so i dont know

Answer 6

\(\begin{array}{llll}
&area&volume
\\\hline\\
\textit{scale factor}=\cfrac{1.6}{3}=\cfrac{side1}{side2}=&\cfrac{(side1)^2}{(side2)^2}=&\cfrac{(side1)^3}{(side2)^3}
\end{array}\)

how about now?

Answer 7

0.53

Answer 8

well.. what does the fraction for the volume give you?

Answer 9

is 1.6 what i plug in for side1?

Answer 10

@jdoe0001 i keep getting 0.15 but thats not a fraction

Answer 11

hmmm

Answer 12

right... wondering where the 0.15 is coming from

you're not using a calculator by any chance? the result will be a fraction btw

and yes, a calculator will give you the decimal form

but get the fraction firstly

what do you get for \(\bf \cfrac{1.6^3}{3^3}?\)