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Formula Sheet

Circles

ICSE · Class 8 · Mathematics

All formulas from Circles in ICSE Class 8 Mathematics. Key equations, constants, and identities for board exam preparation.

61 questions28 flashcards5 concepts

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5 Formulas · 1 Sections

Formulas

Important Formulas

Length of the diameter COD = OC + OD = Radius + Radius = 2 × Radius

Radius = Diameter/2

PA^2 + OA^2 = OP^2

OP^2 = PA^2 + OA^2

PA = PB

Full sheet with units and worked examples

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Frequently Asked Questions

What are the important topics in Circles for ICSE Class 8 Mathematics?
Circles covers several key topics that are frequently asked in ICSE Class 8 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Circles — ICSE Class 8 Mathematics?
Understand the core concepts first, then work through the 61 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.

More resources for Circles

All 25 chapters — ICSE Class 8 Mathematics Formula Sheet

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