Practice - Key criteria
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Practice Questions
Test your understanding with targeted questions
Classify a triangle with sides 3, 4, and 5.
💡 Hint: Are all sides equal or different?
What is the sum of the interior angles in a triangle?
💡 Hint: Remember the angle property of triangles.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the angle sum of a triangle?
💡 Hint: Think about how angles in a straight line sum to 180.
Choose the true statement about triangle congruence: A triangle with all sides equal is called:
💡 Hint: What happens if one or two sides are equal?
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Given triangle XYZ with sides of lengths 7, 10, and 5, prove these triangles can exist and classify the triangle.
💡 Hint: Check each inequality condition.
You have triangle DEF with angles measuring 40°, 60°, and one unknown angle. If a similar triangle has corresponding angles of X, Y, and Z, what can you determine about angle Z?
💡 Hint: Use the property that angles sum to 180°.
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