1 11/12 + 9/12
please help will give brainlest

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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