Practice Finding A Side (5.1) - Trigonometry Basics - IB 10 Mathematics

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9 questions

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6 sample questions

Question 1.
Calculate the hypotenuse if the opposite side is 3 cm and the angle is 30°.
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Remember the formula for sine.
Question 2.
If the adjacent side is 4 cm and the angle is 60°, what is the length of the hypotenuse?
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Use the cosine function.
3Question 3.
What is the sine of an angle in a right triangle?
- Opposite/Hypotenuse
- Adjacent/Hypotenuse
- Hypotenuse/Opposite
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Remember the basic definition of sine.
4Question 4.
True or False: The adjacent side of a right triangle is opposite the right angle.
- True
- False
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Visualize the triangle to clarify the position of sides.
Question 5.
A right triangle has an angle of 30° and a hypotenuse of 15 cm. Calculate the lengths of both the opposite and adjacent sides.
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Applies both sine and cosine functions.
Question 6.
Given an opposite side of 9 cm and an adjacent side of 12 cm, find the angle θ using the tangent function.
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Use the inverse tangent function.

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