Answer: B) 6.5
Explanation:
We will use the Pythagorean theorem to solve. The "c" variable is the hypotenuse and the other variables are the legs.
a² + b² = c²
3.6² + b² = 7.4²
12.96 + b² = 54.76
b² = 41.8
b =
b ≈ 6.5
The length of the missing side is about B) 6.5.