Answer:
5/24 or in decimal form 0.2083
Hope this helped
1. given
2. measure angle 1 plus measure angle 2 equals 90 degrees
3. B D bisects angle A D C
4. definition of angle bisector
5. definition of congruence
6. measure angle 1 is equal to measure angle 3
7. angle 1 is congruent to angle 3
7. definition of congruence
hope that helps
Answer:
im so bad at math im sorryyy
Answer:
,
, 
Step-by-step explanation:
We proceed to derive each expression by rule of chain. Let be
,
,
and
:





(1)





(2)





(3)