Respuesta :

samitalily

dac=90-(30+45)

=90-75

=15

hope it helps

It is complementary

toluwalase4806

Answer:

it is complementary angle.

15degrees

Step-by-step explanation:

complementary angle is when the sum of angles is equal to 90degrees.

45+30+<DAC=90

75+<DAC=90

<DAC=90-75

<DAC=15 degrees.