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Westkost [7]
1 year ago
8

A boat is heading towards a lighthouse, whose beacon-light is 139 feet above the

Mathematics
1 answer:
Novay_Z [31]1 year ago
5 0

The horizontal distance between light house and boat is 1588.78 feet approximately.

The figure is given by,

Here, AB  = height of the lighthouse bacon light above the water = 139 feet

Now angle ACB = 5 degree

Let the horizontal distance of light house from the boat = BC = x feet

So by trigonometric function we get,

tan 5 = AB/BC

tan 5 = 139/x

x = 139/tan 5 = 1588.78 (approximately)

Hence the horizontal distance between light house and boat is 1588.78 feet approximately.  

To know more about Trigonometric Function refer to:

brainly.com/question/1143565

#SPJ9

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Answer: There are 20 ways and 1680 ways respectively.

Step-by-step explanation:

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