After starting from his house, Naren walked a few meters towards the east. From there, he took a right turn and walked 80 m. and then took a left hurt and walked 20 m. Finally. he took a right turn again and walked 40 m to reach the hospital. If the air distance between his house and the hospital is 130 m. how far did Naren walk towards the east initially?
Show answer & explanation
Correct answer: C
Explanation
The correct option is 4.
(130)2 = (120)2 + (x + 20)2
∴ (130)2–(120)2 = (x + 20)2
∴ x = 30 m