What image will each of the four expressions below evaluate to? If you’re not sure, go to WeScheme and type them into the Interactions Area and see if you can figure out how the code constructs its image.

(beside (rectangle 200 100 "solid" "black")(square 100 "solid" "black"))

(scale/xy 1 2(square 100 "solid" "black"))

(scale 2 (rectangle 100 100 "solid" "black"))

(above
	(rectangle 100 50 "solid" "black")
	(above
		(rectangle 200 100 "solid" "black")
		(rectangle 100 50 "solid" "black")))

For each image below, identify 2 expressions that could be used to compose it. The bank of expressions at the top of the page includes one possible option for each image.

1

a black rectangle that’s twice as tall as it is wide

2

a black square

3

a black rectangle that’s twice as wide as it is tall

★

a black cross, equally tall as it is wide

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