Answer:
x = 21.19
Explanation:
For this problem, we can apply the pythagorean theorem for right triangles. That equation is:
a^2 + b^2 = c^2
Where side a is 7 and side b is 20 and the hypotenuse c is x.
(7)^2 + (20)^2 = c^2
49 + 400 = c^2
449 = c^2
21.19 = c
Hence, the value of the hypotenuse x is 21.19.
Cheers.