Question

The two cones below are similar. What is the height of the smaller cone?



A. 35/3
B. 21/5
C. 5
D. 15/7

Answer 1

Idk how to figure out the height ._.

Answer 2

I also don't know how the answer could be a fraction v.v

Answer 3

\[\frac{ 3 }{ 7 } = \frac{ x }{ 5 } => 15 = 7x => x = 15/7\]

Answer 4

So because they are similar you can make a proportion to find the unknown length.

Answer 5

did you cross multiply?:o

Answer 6

Yeah

Answer 7

!!! I see what you did there o: thankyou very much! :D