1. Robert's kite is flying above a field at the end of 66m of string. If the angle of elevation to the kite measures 71°, how high is the kite above Robert's head?
1. Robert's kite is flying above a field at the end of 66m of string. If the angle of elevation to the kite measures 71°, how high is the kite above Robert's head?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.3: The Pythagorean Theorem
Problem 24E
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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.
Question
Transcribed Image Text:Solve each problem. Round measures of segments to the nearest whole
number and angles to the nearest degree.
1. Robert's kite is flying above a field at the end of 66m of string. If the angle of
elevation to the kite measures 71°, how high is the kite above Robert's head?
2. The entrance of the old town library is 2.3 ft above ground level. A ramp from
the ground level to the library entrance is scheduled to be built. The angle of
elevation from the base of the ramp to its top is to be 15°. Find the length of
the ramp.
3. To illuminate the entrance of an apartment building, a night light is mounted
on a 6.6m pole. If the base of the pole is 24m from the entrance, find the
angle of depression from the light.
4. The angle of elevation from the bottom of the world's longest slide located in
Peru, Vermont, is approximately 10.3°. The slide has a vertical drop of 821 ft.
find the length of the slide.
5. from a plane flying due east at 265 m above sea level, the angles of
depression of two ships sailing due east measure 35° and 25°. How far apart
are the ships?
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