a radio show breaks for news every 30 minutes. after every fourth news report, the newscaster reads the daily sports highlights. If the radio show began at 12:01pm and the first news report was read at 12:31pm, at what time will the daily sports highlights be read?

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