11. Mathematical statement that need to be proven.
A. axiom
B. corollary
C. theorem
D. postulate
12. If two points belong to a plane, then the line determined by the two points is contained in the plane. This
statement is considered a
A. postulate
B. theorem
C. guess
D. axiom
_13. Two triangles are congruent if their can be paired so that their corresponding angles and
corresponding sides are congruent.
A. sides
B. angles
C. vertices
D. shapes
14. It is a mathematical statement which does not need to be proven.
A. axiom
B. theorem
C. corollary
D. postulate
15. How many triangles are there according to angles?
A. 1
B. 2
C.3
D.4