Triangle ABC is transformed to form triangle A'B'C'. Which transformation of ​△ABC ​ results in​ ​△A'B'C’? Rotation 180° about the origin Reflection across the x-axis Translation 3 units down and 2 to the right Rotation counterclockwise 270° about the origin

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π