Question

W walked 40 m toward West, took a left turn and walked 10 m. He then took a right turn and walked 30 m. He then took a left turn and walked 20 m. He again took a left turn and walked 30 m. How far was he from the starting point?

• A. 70 m
• B. 90 m
• C. 50 m
• D. 75 m

Answer 1

Answer:

C. 50 m

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Distance from starting point

AC² = AB² + BC²

= 40² + 30²

= 1600 + 900

= 2500

AC =√2500

= 50meter