Practice Introduction (8.1) - INTRODUCTION TO TRIGONOMETRY

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9 questions

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6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a right triangle?
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Think of the triangle structure.
Question 2.
What does trigonometry study?
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Remember the Greek origin.
3Question 3.
What type of triangle has one angle measuring 90 degrees?
- Acute Triangle
- Right Triangle
- Obtuse Triangle
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Recall the definition we discussed.
4Question 4.
True or False: Trigonometry is used to measure distances in astronomy.
- True
- False
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Think about its historical uses.
Question 5.
A lookout tower stands 120 meters tall. You are standing 80 meters away from its base and looking up at an angle of 45°. How high is the angle of elevation, and can you find the height if the angle changes to 60°?
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Apply the tangent ratio to figure out the height.
Question 6.
If a boat is 30 meters from the shore and the angle of elevation of the top of a cliff is 30°, how high is the cliff?
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Consider the angle you're working with.

5 more questions in this section. Enroll free to practise them all.