Practice Key Theorems in Trigonometry - 2 | 3. Theorems in Geometry & Trigonometry | (IB) Class 10 Mathematics – Group 5, Geometry & Trigonometry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the sine ratio of a triangle with an opposite side of length 3 and a hypotenuse of length 5?

💡 Hint: Use the sine formula: sin θ = opposite/hypotenuse.

Question 2

Easy

If cos θ = 0.8, what is the sine of θ when θ is a complementary angle?

💡 Hint: Use the Pythagorean identity.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the sine of an angle in a right triangle with a hypotenuse of 10 and an opposite side of 6?

  • 0.6
  • 0.8
  • 0.5

💡 Hint: Remember the formula: sin θ = opposite/hypotenuse.

Question 2

True or False: The angle of elevation is the angle formed when looking down from horizontal.

  • True
  • False

💡 Hint: Consider the definitions of elevation and depression.

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Challenge Problems

Push your limits with challenges.

Question 1

A 10 m tall building casts a shadow of 15 m. Find the angle of elevation of the sun.

💡 Hint: Apply tan θ = opposite/adjacent here.

Question 2

In a right triangle, if angle A is 30° and angle B is 60°, and the hypotenuse is 12, what are the lengths of the opposite and adjacent sides?

💡 Hint: Use sine and cosine definitions for calculations.

Challenge and get performance evaluation