Question

1.A theorem is a statement that needs to be proven using postulates, definitions, and other theorems.
True
False
2. Planes can be perpendicular to each other.
True
False

HELP PLEASE

Answer 1

For the first question, read the info and the link and decide. Post what you think and I'll tell you if I agree.

http://www.mathwords.com/t/theorem.htm

Answer 2

For #2, look at these planes and post what the think is the answer to the question.

Answer 3

@Brooke.nacoleeee