Question

The contrapositive of the following statement is true “If two angles are vertical angles, then they are congruent” true or false?

Answer 1

If 2 angles are NOT congruent then they can NOT be vertical angles

Answer 2

true

Answer 3

Since vertical angles are always congruent and since the contra-positive is always true if the original proposition is true, then the whole statement above is true

Answer 4

vertical angles, then they are congruent” is true