The lengths of the sides of triangle ABC are 12 in. 15 in and 21 in. The longest side of similar triangle DEF is 35 in.
What are the lengths of the other sides of triangle DEF?

Question

The lengths of the sides of triangle ABC are 12 in. 15 in and 21 in. The longest side of similar triangle DEF is 35 in. 
What are the lengths of the other sides of triangle DEF?

anonymous · Answer

Find the length in ABC that is the longest and set up a proportion between corresponding sides and set those equal to each other.  These ratios can be resolved by cross-multiplication.

anonymous · Answer

I got 25 for one side

anonymous · Answer

and then 20 for the other

anonymous · Answer

Good job!  You are correct!

anonymous · Answer

ok i just got confused on how to find the other sides THANKS

anonymous · Answer

You're welcome!  And thx for the recognition!