Answer:
I am really good at doing stuff like that
Answer:
See below.
Step-by-step explanation:
Statements: Reasons:
1)
Given
2)
Definition of Congruence
3)
Given
4)
Supplement Theorem
5)
Definition of Supplementary Angles
6)
Substitution
7)
Definition of Supplementary
And we're done!
Answer:
all right triangles are 90 degrees and in total there is 9x so you divide 90 by 9 to get x=10 A