No you would not use the Pythagorean Theorem, You would take the two sides and multiply them together, and divide it by 2.
Yup its 53 Degrees you got it right :)
I would say all you have to do is add those sides up then minus it with the total you’re trying to find
5. Positive
6. Negative
7. Negative
8. Positive
9. No correlation
10. Positive
11. No correlation
12. Positive
<span>inversely
y = k/x
k = yx
k = 10*10 = 100
when y = 20
20 = 100/x
20x = 100
x = 5
answer
</span><span> x = 5 when y is 20</span>