Question

Which angle is congruent to D? is it all of the above?

http://imageurl.org/?di=TK19

A. A

B. B

C. C

D. all the above

Answer 1

That looks like a regular polygon. If it is, then you are 100% correct. This is because all interior angles of a regular polygon are equal to each other.

Answer 2

yeah thats the only explanation it gives so it must be it right?

Answer 3

yes that's my thinking too, nice work

Answer 4

well sweet. thank you jim! :D

Answer 5

you're welcome :)

Answer 6

http://www.math.com/tables/geometry/polygons.htm
check the properties