Prove relationships and theorems about lines and angles. Solve mathematical and real-world problems involving postulates, relationships and theorems of lines and angles.
MA.912.LT.4.3
Identify and accurately interpret "if... then", "if and only if", "all" and "not" statements. Find the converse, inverse and contrapositive of a statement.
MA.912.LT.4.8
Construct proofs, including proofs by contradiction.
MA.912.LT.4.10
Judge the validity of arguments and give counterexamples to disprove statements.
