LMNP is a rectangle. find the value of x and the length of each diagonal LN = 7 and MP = 4x + 3

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

What makes a trapezoid an isosceles trapezoid?

If the velocity of a car is 45km/h west, how far can it travel in 0.5 hours?