SOLUTION: ΔABC is similar to ΔDEF. The ratio of the perimeter of ΔABC to the perimeter of ΔDEF is 1 : 10. If the longest side of ΔDEF measures 40 units, what is the

Algebra ->  Triangles -> SOLUTION: ΔABC is similar to ΔDEF. The ratio of the perimeter of ΔABC to the perimeter of ΔDEF is 1 : 10. If the longest side of ΔDEF measures 40 units, what is the       Log On


   



Question 974828: ΔABC is similar to ΔDEF. The ratio of the perimeter of ΔABC to the perimeter of ΔDEF is 1 : 10. If the longest side of ΔDEF measures 40 units, what is the length of the longest side of ΔABC ?
2 units
4 units
16 units
30 units

Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
Here is your proportion:
1/10 = x/40

Solve for x to find your answer.