History, asked by ruqayahmariam, 7 months ago

when Helicopter (first manned vertical lift-off) was invented in the year ______

Answers

Answered by Prinishaa55
3

Answer:

September 14 1939"

Hope this helps you

Answered by beherags
1

Answer:

1907 is your answer mate,,,,

Explanation:

BRAINLIEST plz plz plz plz plz plz plz

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