Posted by Sarah on .
A store's sign is the shape of an equilateral triangle. One side measures 21 inches. What is the length of each of the other two sides?

Math 
bobpursley,
Equilaterial: all sides equal.
 Math  Ms. Sue,

Math 
khrys,
Thank you very much...

Math 
Ms. Sue,
You're welcome.
Please, though, use the same name for all of your posts.