A rectangular picture has dimensions 2½ by 1½. It is to be enlarged so that it is still similar to the original rectangle. If the longer dimension is now 10, what is the perimeter of the enlarged rectangle?

Question

anonymous · Answer

To get the shorter dimension,
Find x for
10/2.5 = x/1.5
The perimeter will be 10 + 10 + 2x

anonymous · Answer

ok i go the answer 32.....
but hey what this one The sides of a polygon are 3, 5, 6, 8, and 10. The perimeter of a similar polygon is 40. Find the sides of the second polygon (from smallest to largest). Put answers in decimal form (hundredths)

anonymous · Answer

find the perimeter of the first polygon first

anonymous · Answer

can u help?

anonymous · Answer

add 3, 5, 6, 8 and 10

anonymous · Answer

24

anonymous · Answer

it's 32.
now you have the ratio
32/40
Use this ratio to solve the corresponding sides in the second polygon