A kids’ splash pool and an adults’ pool are shaped like similar triangles. The dimensions of the kids’ pool are one-fifth of the dimensions of the adults’ pool. If the area of the adults’ pool is 225 square meters, what is the area of the kids’ pool?
Answer
9 m2
45 m2
112 m2
225 m2

Question

A kids’ splash pool and an adults’ pool are shaped like similar triangles. The dimensions of the kids’ pool are one-fifth of the dimensions of the adults’ pool. If the area of the adults’ pool is 225 square meters, what is the area of the kids’ pool?
Answer
		9 m2
		45 m2
		112 m2
		225 m2

apoorvk · Answer

For two similar triangles with ratios of sides a:b, ratio of their areas is a^2 : b^2

anonymous · Answer

sooo 45m2

apoorvk · Answer

Uh-oh. 
*a^2 : b^2* 

What you did was a:b

anonymous · Answer

i don't understand if it says the kids pool is one- fith of the adults and the adults is 225 and 45 is one fifth of 225

apoorvk · Answer

the sides are in the ratio 1:5

that means area is in the ratio 1^2 : 5^2 = 1 :25

anonymous · Answer

so 112 then?

apoorvk · Answer

No!!

x         1
--- = --- 
225    25

anonymous · Answer

lol uuugh ... ok

apoorvk · Answer

can you solve this?

anonymous · Answer

yes. and thank-you sorry this reply is late