For each of the following determine the 1-unit growth factor. the 1-unit percent change is -56.25%.explain so i can figure one out and do the rest on my own.

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

What two criteria are needed for triangles to be similar

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap