1. What trigonometric ratio can we use to solve for the height of a building given the the distance between the observer and the base of the building and its angle of elevation? a. Sine ratio b. Cosine ratio 2. A flagpole casts a shadow of 12 ft. long when the angle of elevation of the sun is 60°. How high is the flagpole? c. Tangent ratio d. Secant ratio c. 16.78 feet d. 18.38 feet a. 21.38 feet b. 20.78 feet 3. The distance of a building to a car is 25 meters. If the angle of depression from the point where the car park is 55°, how high is the building? a. 35.70 m b. 32.65 m c. 25.65 m d. 30.70 m 4. Find the angle of elevation of the sun if a man 6ft tall casts a shadow 11 ft. long a. 29° b. 30° 5. From the top of the lighthouse 30 meter high, the angle of depression of an observer to a boat is 28°. How far is the is the boat from the lighthouse? a. 55.31 m b. 50.31 m c. 25° d. 20° c. 56.42 m d. 52.64 m

1. What trigonometric ratio can we use to solve for the height of a building given the the distance between the observer and the base of the building and its angle of elevation? a. Sine ratio b. Cosine ratio 2. A flagpole casts a shadow of 12 ft. long when the angle of elevation of the sun is 60°. How high is the flagpole? c. Tangent ratio d. Secant ratio c. 16.78 feet d. 18.38 feet a. 21.38 feet b. 20.78 feet 3. The distance of a building to a car is 25 meters. If the angle of depression from the point where the car park is 55°, how high is the building? a. 35.70 m b. 32.65 m c. 25.65 m d. 30.70 m 4. Find the angle of elevation of the sun if a man 6ft tall casts a shadow 11 ft. long a. 29° b. 30° 5. From the top of the lighthouse 30 meter high, the angle of depression of an observer to a boat is 28°. How far is the is the boat from the lighthouse? a. 55.31 m b. 50.31 m c. 25° d. 20° c. 56.42 m d. 52.64 m

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter10: Measurement, Area, And Volume

Section: Chapter Questions

Problem 16PTTS

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Using your calculator and rounding your answers to the nearest hundredth, find the remaining trigonometric ratios of based on the given information. sin=0.23andQI

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