Answer:
t = 31s
Step-by-step explanation:
................
90-69=21 degrees. This is our target answer. We'll write an equation to do this:
2x-1=21
Add 1 to each side to get:
2x=22
Divide by 2 to get that x=11
Plugging this in, we see that 2(11)-1+69=90, so our answer is correct.
:)
Answer:
AAS
Step-by-step explanation:
I don't know if I understand the question but I think it is 15