157.1 cm ^2 , because the small shaded semicircle equals the other small unshaded semicircle. So it’s the area of half the circle.
That’s too much work, no one can do all of that for u. try searching the answer on safari
9. A person who does not stay long in the same place.<span>
10. The supply of water to land or crops to help growth, typically done by channels.
</span><span>12. A country between two rivers</span>