Answer:
c ≈ 6.4 in
Explanation:
using Pythagoras' identity in the right triangle.
the square on the hypotenuse (c) is equal to the sum of the squares on the other 2 sides, that is
c² = 4² + 5² = 16 + 25 = 41 ( take square root of both sides )
c =
≈ 6.4 in ( to the nearest tenth )