Question

MEDAL FOR THE CORRECT ANSWER!

Two similar triangles have a ratio of similarity of 3:2. If the perimeter of the first triangle is 18 inches, what is the perimeter of the second triangle?

6 inches

12 inches

24 inches

32 inches

Answer 1

If the second triangle is smaller, then 6 inches, because 18 divided by 3 is 6.

Answer 2

thanks for your help :)

Answer 3

no problem. :)

Answer 4

Let the sides be 3, 6, 9. A perimeter of 18. If the ratio is 3:2 then just muliply each value by (2/3). Which would be 2, 4, and 6 which total up to 12 inches.