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

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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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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