On a certain day John decided to go school using his newly purchased skates. So, he left his house and skated 15 km northwards, then turned left and skated 7 km, then hetook another left turn and skated 15 km, and then finally turned right and skated 13km. How far exactly is his school from his house?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 20
The diagram would be like this
Distance between school and home = 13 + 7 = 20 km
Hence, 20 is the correct answer.