I did this same problem 2 years ago
http://www.jiskha.com/display.cgi?id=1352760453
Looks like this teacher is just recycling the same problems
Mikhail used 220 inches of wire to make this figure.
this figure is made up two identical triangles,a 15 inch by 12 inch rectangle and a square of side 19 inches.Whatis the length of one side of each triangle if allthe sides of the triangles are equal in length.
1 answer