In which diagram are angles 1 and 2 vertical angles?

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.