Find the circumference of a circle whose area is 247 ft2. A. 2767 ft
B. 4/67 ft
C. 127 ft
D. 247 ft
Please select the best answer from the choices provided

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