dac=90-(30+45)
=90-75
=15
hope it helps
It is complementary
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.
