Gym members are instructed to lift their legs at a 30° angle during leg lifts. One member has legs that are 33 inches long. what is the height (in inches) of the members feet during the leg lifts. if necessary, round decimal numbers to the nearest tenth.

i will give brainliest if it's right!!!

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