Math, asked by preetu36, 7 months ago

The angle of elevation of an aeroplane from a point on the ground is 60°. After a flight of 15 sec. the elevation becomes 30°. If the aero-plane is flying at a constant height of 1200m. Find the speed of theplane.

Answers

Answered by Anonymous

1

Speed of aeroplane =

15

3000

=200 m/s=720 km/hr

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