Question

A cruise ship travel 12 miles due north. Then 16 miles due east. How far is the ship from where it started?(Do Pythagorean Theorem)

Answer 1

a^2 + b^2 = c^2
12^2 + 16^2 = c^2
144 + 256 = c^2
400 = c^2
find the square root of 400
c = 20 miles