Transformations can be a tricky thing! However if you know a few tips it can be made easy.
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For example, if you have to translate a shape it slides. TranSLate and SLide both had SL in them! It stays the same shape and direction, it just moves, like sliding downa slide. That's what i have found to be the easiest thing to stick in the kids heads has I have helped them with this!
Rotation is rotating a figure around a certain point., as if the figure were dancing in a circle! Just like on a merry-go-round! You can sit on the end of the toy and twirl around the center. All you never change neither will shape. The corner/side that is facing the middle will always face the middle.
Refelction is like a mirror. When the shape gets reflected over a line its like us looking into a mirror. Its the exact oppisite. everything is the same but on the other side.




If having to find the volume of this pool its not very hard area of base (decagon) multiplied by the height (or how full you wanted the pool) You would want to make sure that you don't over fill it or under fill it! You would want to keep track of the water going in and be prepared for the water bill that summer!


Although if you know that there is a polygon but its not one that has a set formula there is a set formula!!! A=1/2a(ns) where a means height (apothem), n means number of sides, and s means side length. To get a clearer understanding click this link: 