Question
A man goes 3 km north and 4 km east.Find how far away is he from his initial position?
Answers
PsyDAG
Pythagorean theorem for right triangle.
a^2 + b^2 = c^2
3^2 + 4^2 = c^2
Solve for c.
a^2 + b^2 = c^2
3^2 + 4^2 = c^2
Solve for c.