In the diagram of the park, adf~ bcf. the crosswalk at point a is about 20 yd long. a bridge across the pond will be built, from point b to point c. what will the length of the bridge be?

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

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

I’m really confused and need your assist me with this question i’ve never been taught