Which simplified fraction represents ?

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Which statements are true about additional information for proving that the triangles are congruent check all that apply

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given