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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 c. Tangent ratio d. Secant ratio

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 c. Tangent ratio d. Secant ratio

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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EVALUATION Directions: Read each of the given items carefully. WRITE the letter of the correct answer on the space provided before each number. 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 c. Tangent ratio d. Secant ratio 2. Which of the following equations can help us solve the distance of the observer and the flagpole if the angle of elevation is 50° and the height of the flagpole is 12 ft. 12 a. Cos 50° 12 c. Sin 50 12 b. Tan 50° d. Tan 50 12 3. A ladder 8 meters long leans against the wall of a building. If the foot of the ladder makes an angle of 68°with the ground, how far is the base of the ladder from the wall? c. 5 m d. 6 m 4. A flagpole casts a shadow of three meters long when the angle of elevation of the а. 3 m b. 4 m sun is 70°. How high is the flagpole? a. 5.25 meters c. 12.15 meters b. 8.24 meters d. 7.5 meters 5. What is the length of the shadow casts by a monument with the height of 10 ft. when the angle of elevation of the sun is 35°? a. 10.28 ft. с. 16.35 ft. d. 12.34 f b. 14.28 ft.
Transcribed Image Text:EVALUATION Directions: Read each of the given items carefully. WRITE the letter of the correct answer on the space provided before each number. 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 c. Tangent ratio d. Secant ratio 2. Which of the following equations can help us solve the distance of the observer and the flagpole if the angle of elevation is 50° and the height of the flagpole is 12 ft. 12 a. Cos 50° 12 c. Sin 50 12 b. Tan 50° d. Tan 50 12 3. A ladder 8 meters long leans against the wall of a building. If the foot of the ladder makes an angle of 68°with the ground, how far is the base of the ladder from the wall? c. 5 m d. 6 m 4. A flagpole casts a shadow of three meters long when the angle of elevation of the а. 3 m b. 4 m sun is 70°. How high is the flagpole? a. 5.25 meters c. 12.15 meters b. 8.24 meters d. 7.5 meters 5. What is the length of the shadow casts by a monument with the height of 10 ft. when the angle of elevation of the sun is 35°? a. 10.28 ft. с. 16.35 ft. d. 12.34 f b. 14.28 ft.
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