Toby says that a tree branch forms an angle where it meets the trunk of the tree. What is the best measure of the angle formed where the branch meets the trunk of the tree?

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Can someone me with these two circle theorem questions asap?

With number 11 ( show how you got the answer)