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
