surveyor measures the height of an ad billboard on a skyscraper by walking 45 ft. away from the building and measuring an angle of 62 degrees from the ground. How high up is the billboard? You start at the top of a six-foot tall access ramp and record a distance of 17 feet to the bottom of the ramp. What is the angle the ramp makes with the ground.
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.
A surveyor measures the height of an ad billboard on a skyscraper by walking 45 ft. away from the building and measuring an angle of 62 degrees from the ground. How high up is the billboard?
You start at the top of a six-foot tall access ramp and record a distance of 17 feet to the bottom of the ramp. What is the angle the ramp makes with the ground.
Step by step
Solved in 2 steps with 2 images