F∠bac = 17° and ∠ced = 17° are the two triangles, δbac and δced similar? if so, by what criterion? a) yes, by aa similarity criterion b) yes, by sas similarity criterion c) yes, by ssa similarity criterion d) no, not possible to tell.

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