A farmer is preparing his field. He starts his tractor from garage and drives 5 km towards East From there

A farmer is preparing his field. He starts his tractor from garage and drives 5 km towards East From there, he turns right and drives 6 km. Then, he turns right and drives 8 km. Again, he turns right and drives 10 km when his tractor breaks down. What is the shortest distance between his current location and garage?

(a)          9km

(b)          6 km

(c)           5 km

(d)          2 km

Sol:

(a)² = (4)² + (3)²

a² = 16 + 9

a = 5 km