Angle of Elevation A 155-foot antenna is on top of a tall building. From a point on theground, the angle of elevation to the top of the antenna is 28.5 degree, while the angle of elevation to the bottom of the antenna from the same point is 23.5 degree . How tall is the building?
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.
ground, the angle of elevation to the top of the antenna is 28.5 degree, while the angle of elevation to the bottom of the antenna from the same point is 23.5 degree . How tall is the building?
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