Answer:
Step-by-step explanation:
the triangle with 9 as a side is a 45,45, 90 triangle. so there for x and 9 are congruent. Thus. x=9
Answer:
- 
Step-by-step explanation:
Given
← cancel sec x on numerator/ denominator
= 
= - 
I’m pretty sure it’s h because the lines meet in the x axis