Answer:
60°
Step-by-step explanation:
Angle 1 is a vertical angle to 60° by the definition of a vertical angle.
I think it would require 100 workers since 1 worker digs up 1 yard.
Hope this helps.
So 1 USD is 2.89 RON
That means...
177 ÷ 2.89 = 61.24USD
2. 2.70&20.70
3. 9.45&31.95
4. 25.31&59.00
5. 24.75&99.74
6. 48.60&97.20
7. 231.25&416.25