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Chapter 10 of 28
Important Questions

Isosceles Triangles

ICSE · Class 9 · Mathematics

Most important questions from Isosceles Triangles for ICSE Class 9 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.

45 questions22 flashcards5 concepts
45 Questions·
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Sample Questions

1multiple choice

In triangle ABC, AB = AC = 8 cm and ∠BAC = 40°. Find ∠ABC.

2multiple correct

Which of the following statements are true for an isosceles triangle? (Select all correct options)

3multiple choice

In triangle PQR, if PQ = PR = 10 cm and QR = 12 cm, find the measure of ∠QPR when ∠PQR = 50°.

4text answer

If the vertex angle of an isosceles triangle is 120°, find each base angle.

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Frequently Asked Questions

What are the important topics in Isosceles Triangles for ICSE Class 9 Mathematics?

Isosceles Triangles covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

There are 45 practice questions available for Isosceles Triangles. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

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