You never showed the question for the answer.
There are several important information's already given in the question. Based on those given information's, the answer can be easily deduced.
tan A = 0.78
Then
A = arctan (0.78)
= 37.67 degrees
I hope that the procedure is clear enough for you to understand. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.
Answer:
Both authors intend to convince readers of their viewpoint.
Explanation:
The main point of both essays is to convince the reader to take better care of different parts of nature, one is trying to save the birds and the other is trying to save the trees, both are trying to convince the audience to take action to save nature and to convince them of their point of view.
You need to read it first