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From a horizontal distance of 80.0 m, the angle to the top of a flagpole is 18°. Calculate the height of the flagpole to the nearest tenth of a meter.

1. 24.7 meters
2. 76.1 meters
3. 26.0 meters
4. 25.3 meters ​

1 Answer

2 votes

Answer:

The figure is omitted--please sketch it to confirm my answer.

Set your calculator to degree mode.

Let h be the height of the flagpole.


\tan(18) = (h)/(80)


h = 80 \tan(18) = 25.994

The height of the flagpole is approximately 26.0 meters. #3 is correct.

User Jesus
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