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Triangles

Bihar Board · Class 10 · Mathematics

Practice quiz for Triangles — Bihar Board Class 10 Mathematics. MCQs and questions with answers to test your preparation.

47 questions22 flashcards5 concepts

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A comparison illustrating the difference between congruent figures (same shape and size) and similar figures (same shape, different size), using examples like circles, squares, and triangles.
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Quick Quiz: Triangles

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1

What is the definition of similar figures?

2

What is the AAA similarity criterion for triangles?

3

Which of the following is NOT a criterion for triangle similarity?

4

In similar triangles, what remains constant?

47 Questions·
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Sample Questions

1multiple choice

What is the Basic Proportionality Theorem about?

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Line parallel to one triangle side dividing other sides proportionally

The theorem states that a line parallel to one side of a triangle divides the other two sides in the same proportion.

2multiple choice

What is the SAS similarity criterion?

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One angle is equal, with proportional sides around that angle

SAS criterion means one corresponding angle is equal, and the sides surrounding that angle are proportional.

3multiple choice

Are all congruent figures similar?

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Yes

All congruent figures are similar because they have the same shape and size, which means they satisfy similarity conditions.

4multiple choice

What property ensures triangles are similar in the SSS criterion?

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Proportional corresponding sides

In the Side-Side-Side (SSS) similarity criterion, corresponding sides must be proportional, not necessarily equal.

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What are the important topics in Triangles for Bihar Board Class 10 Mathematics?
Key topics in Triangles include Decision Tree: Which Similarity Criterion to Use?, Chapter 6 Triangles - Key Concepts Overview, Chapter 6 Triangles — Complete Concept Map. These are the concepts Bihar Board Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Triangles — Bihar Board Class 10 Mathematics?
Understand the core concepts first, then work through the 47 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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