Question

HELP

Answer 1

Equations A may be used to determine the lighthouse's height. The best choice is A.

What is the triangle?

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

Given;

(d) 115 meters separate the boat from the lighthouse.

42" is the angle of elevation.

Height is h

Apply the tangent formula in the obtained triangle;

$\rm tanx^0= \rm \frac{y}{115} \\\\ tan 42''=\frac{y}{115}$

The calculations will determine the lighthouse's height as;

$\rm tan 42''=\frac{y}{115}$

Hence the best choice is A.

To learn more about the triangle, refer to:

brainly.com/question/2773823

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