C. For each hour he works, his earnings go up by $8.
160 cm because if I am correct, then two of the sides are labeled as 10 cm. Which means that they are both the same measurement.
Consecutive exterior angles
Answer:

Step-by-step explanation:
Hello,
let's solve


There are two solutions

And

So we can write

Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
Do you mean square root of pi?
Step-by-step explanation:
Because if it is then the answer is 1.772453850905516