Your answer would be D. The angle C is 47 degrees.
A=(a+b/2)h is the formula hope that helps
This is good information, but the question part is missing. Put the question in the comments and I'll try my best to help!
Answer:
Properties of a Rectangular Prism : A rectangular prism has 8 vertices, 12 sides and 6 rectangular faces. All the opposite faces of a rectangular prism are equal.
Step-by-step explanation: