How to write six thousand eight hundred ninety seven in number form form?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Which of the choices shown could be used to prove that aacp=abcp ?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit