Ah -- good old Pythagoras!
a^2 + b^2 = c^2
9^2 + 12^2 = c^2
81 + 144 = c^2
225 = c^2
15 = c
To get to school, you need to walk 9 blocks south and then 12 blocks east. What's the diagonal distance from the start.
2 answers
15 blocks
2 answers