Find the surface area of the right triangular prism.

What is the relationship between all triangles that can be drawn given the same three angles

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

The answer is 7.2 how would you put this as money