Question

Jose buys a new moped. He travels 3 km south and 4km east. How far does he need to go to get back where he started?

Answer 1

A {}^{2} = b {}^{2} + c {}^{2}

a {}^{2} = 3 {}^{2} + 4 {}^{2}

a {}^{2} = 9 + 16 = 25 a=5

he needs to travel 5km