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- ;; Rectangle-perimeter: Rectangle -> ?
- ;; Given a Rectangle, produces its perimeter
- (define (Rectangle-perimeter a-Rectangle)
- (+ (* 2 (Rectangle-width a-Rectangle))
- (* 2 (Rectangle-height a-Rectangle))))
- (check-expect (Rectangle-perimeter R1) 180)
- (check-expect (Rectangle-perimeter R2) 150)
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