Sin(pi/3)__(pi/6)=1/2(sin(pi/2)+sin (pi/6))

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

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