Practice Worked example - 8.3 | 1. Properties of Triangles | (IB) Class 10 Mathematics – Group 5, Geometry & Trigonometry
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Practice Questions

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Question 1

Easy

What is the value of AC if AB = 10 and BC = 6?

💡 Hint: Use the Pythagorean theorem.

Question 2

Easy

Find sin(A) if AC = 3 and AB = 5.

💡 Hint: Remember, sin(A) = opposite/hypotenuse.

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Interactive Quizzes

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Question 1

What is the sine function defined as?

  • Opposite / Hypotenuse
  • Adjacent / Hypotenuse
  • Opposite / Adjacent

💡 Hint: Think about the definition of sine in relation to a right triangle.

Question 2

In triangle ABC with AB = 13 and BC = 12, what is AC?

💡 Hint: Start by calculating the values of 13² and 12².

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Challenge Problems

Push your limits with challenges.

Question 1

In triangle GHI, if GH = 30 and GI = 18, find HI and sin(G).

💡 Hint: Remember the right triangle relationships and apply the Pythagorean theorem first.

Question 2

Triangle KLM has KL = 10 and LM = 6; find KM and sin(L).

💡 Hint: Use the steps for calculating lengths and sine again.

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