Answer:
B. 1.9 mi
Step-by-step explanation:
The shortest distance from Natasha's house to the library = hypotenuse of the triangle = x
Since the triangle is a right triangle, we can find x by applying Pythagorean Theorem.
Thus:
x² = 1.7² + 0.9²
x² = 2.89 + 0.81
x² = 3.7
√x² = √3.7
x ≈ 1.9 mi