1. The average number of years of post secondary education of employees in an industry is 1.5. A company claims that this average is higher for its employees. A random sample of 16 of its employees has an mean of 2.1 years
of post secondary education with a standard deviation of 0.6 years.

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