1 What kind of triangle does the `triangle` function produce?

There are lots of other kinds of triangles! And Pyret has lots of other functions that make triangles!

`triangle``:: (size:: Number, style :: String, color :: String) -> Image`

`right-triangle``:: (base::Number, height::Number, style::String, color::String) -> Image`

`isosceles-triangle``:: (leg::Number, angle::Number, style::String, color::String) -> Image`

2 Why do you think `triangle` only needs one number, while `right-triangle` and `isosceles-triangle` need two numbers and `triangle-sas` needs three?

3 Write `right-triangle` expressions for the images below. One argument for each should be `100`.

4 What do you think the numbers in `right-triangle` represent?

5 Write `isosceles-triangle` expressions for the images below. 1 argument for each should be `100`.

6 What do you think the numbers in `isosceles-triangle` represent?

7 Write 2 expressions that would build right-isosceles triangles. Use `right-triangle` for one expression and `isosceles-triangle` for the other expression.

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