hayhay1830 hayhay1830

14-03-2020
Mathematics

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While you were playing volleyball on the beach you spotted a lighthouse that was 120 feet away horizontally.
When you looked to the top of the lighthouse the angle of elevation was 38° from the ground. How tall was
the lighthouse? Round to the nearest foot.
tan

Respuesta :

Wallind11 Wallind11

14-03-2020

Step-by-step explanation:

Let AB be the height of the lighthouse measuring x feet

Refer to the attached file

tan 38° =AB/BC

0.78 = x/ 120

x=120×0.78

x= 93.6 feet

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