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ivolga24 [154]
2 years ago
9

A boat captain can see a lighthouse on the shore which is 103ft in front of him. If the lighthouse is 22ft tall, at what angle o

f elevation can the captain see the top of the lighthouse? options: 45° 12° 77° 11°
Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
5 0

Answer:

  • 21°

Step-by-step explanation:

A boat captain, lighthouse and its base form a right triangle.

<u>We need to find the angle opposite to 22 ft side:</u>

  • tan x = 22/103
  • x = arctan (22/103)
  • x = 21°

<em>Note, option D should read 21° not 11°</em>

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