Encuentra los ángulos que se piden en la siguiente figura y el área de la figura marcada.

What is this inequality notation? t is less then or equal to 2

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

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