Just subtract 7 from 25. it is 18
1) Given
2) m∠1 + m∠2 = 90°
3) BD bisects ∠ADC
4) definition of angle bisector
5) definition of congruency
6) m∠1 + m∠3 = 90°
7) ∠1 is complementary to ∠3 (7) definition of complementary
If there is a drop down box, and my answer is not an option, type in the options in the comment box and I will let you know which theorems (or definitions) are the same as my answer.
The answer is a. Irrationally numbers, when written as decimal numbers do not terminate nor do they repeat