SOLUTION: Equilateral triangle ABC has a side length of 400 cm, and a perimeter equal to 100 times the perimeter of equilateral triangle DEF. How long is each side of triangle DEF?

Algebra ->  Triangles -> SOLUTION: Equilateral triangle ABC has a side length of 400 cm, and a perimeter equal to 100 times the perimeter of equilateral triangle DEF. How long is each side of triangle DEF?      Log On


   

Question 219111: Equilateral triangle ABC has a side length of 400 cm, and a perimeter equal to 100 times the perimeter of equilateral triangle DEF. How long is each side of triangle DEF?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
perimeter=3*400=1,200 cm.
(1,200/100)/3=12*1/3=4 cm. answer for the sides of the smaller triangle.