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?

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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?

A70 m

B90 m

C50 m

D75 m

Answer:

C. 50 m

Read Explanation:

Distance from starting point

AC² = AB² + BC²

= 40² + 30²

= 1600 + 900

= 2500

AC =√2500

= 50meter

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