A street light is at the top of a 12.01 ft. tall pole. A man 5.6 ft tall walks away from the pole with a speed of 5.5 feet/sec along a straight path. How fast is the tip of his shadow moving when he is 33 feet from the pole? Your answer: ft/sec Hint: Draw a picture and use similar triangles.
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 street light is at the top of a 12.01 ft. tall pole. A man 5.6 ft tall walks away from the pole with a speed of 5.5 feet/sec along a straight path. How fast is the tip of his shadow moving when he is 33 feet from the pole?
Your answer: ft/sec
Hint: Draw a picture and use similar triangles.
Step by step
Solved in 2 steps with 1 images
