The Sibago Island lighthouse in Zamboanga stands on a rock 163.4 meters above sea level. A man in vinta 151.6 meters away from the vertical axis of the lighthouse, observes that the angle of elevation of the top of the lighthouse is 51°7'. How tall is the lighthouse?
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
The Sibago Island lighthouse in Zamboanga stands on a rock 163.4 meters above sea level. A man in vinta 151.6 meters away from the vertical axis of the lighthouse, observes that the angle of elevation of the top of the lighthouse is 51°7'. How tall is the lighthouse?
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