Idon't understand this i think its a but i don't know
premises:
if two triangles are congruent, their corresponding angles are congruent.
△abc△abc and △qrs△qrs are not congruent.
conclusion:
the corresponding angles of △abc△abc and △qrs△qrs are not congruent.
which statement best describes this argument?
a. the argument is invalid because the premises are not true.
b. the argument is invalid because the conclusion does not follow the premises.
c. the argument is valid by the law of syllogism.
d. the argument is valid by the law of detachment.