Answer:
D.
![2\sqrt{41](https://img.qammunity.org/2021/formulas/mathematics/high-school/3xbomrjhwuyzt1cxlj2hj7bw3rux7in4po.png)
Explanation:
Using the Pythagorean theorem, we can use the equation
a^2+b^2=c^2
to find the hypotenuse (the longest side of a triangle).
let's plug in the values!
8^2 +10^2=c^2
64 + 100 = c^2
164 = c^2
now find the square root of 164.
![\sqrt{64](https://img.qammunity.org/2021/formulas/mathematics/high-school/iysrri5rnsggc1usasg80g2ya9mztw80np.png)
the closest answer is
D.
![2\sqrt{41](https://img.qammunity.org/2021/formulas/mathematics/high-school/3xbomrjhwuyzt1cxlj2hj7bw3rux7in4po.png)