Question

A helicopter rose vertically 10 miles and then flew west 13 miles. About how far was the helicopter from the starting point?

A 18 miles
B 15.2 miles
C 16.4 miles
D 19 miles​

Answer 1

Explanation:

By the Pythagorean Theorem

`d^2=x^2+y^2\\ \\ d^2=10^2+13^2\\ \\ d^2=100+169\\ \\ d^2=269\\ \\ d=√(269)\\ \\ d\approx 16.4\ miles`

Answer 2

C: 16.4 miles

Explanation/